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A

Abandoned Lines    
31.6

Accepted Good Practice    
13

Allowable Obstructions


Climbing Space    
54.7A3 , 54.9F , 54.10F3 , 54.11G , 54.12F3 , 58.3A3 , 84.7E , 88.1
Working Space    
54.7B2

Allowable Tension-Definition     23.7A

Alteration or Reconstruction,

Commission May Order     12.4

Aluminum Cable, Steel Reinforced     Table 23 (Appendix B )

American Wire Gage (AWG)    
24.2A

Anchor Guys (See also
Guys )  

Attachment, Center of Load     56.2 , 66.2 , 86.2 ,  Appendix F - Parts 2 and 3   

Clearances (See Guy Clearances )
Definition    
56.1 (See Rules 21.5 and 23.5 )
From Transformer Cases    
56.4F
Grounding or Grounded    
56.6D , 66.6 , 86.6C , 92.4
Location of Insulators    
56.7B , 86.7B
Marking (Guarding)    
56.9 , 66.7 , 86.9
Safety Factor    
44 , 44.1 , Table 4 , 49.6C
Sectionalizing Requirements    
56.6 , 86.6
Size    
49.6B , 61.3
Strength    
48.4 , Table 24
Use of    
47.2


Angle of Deviation    
Figure 86 (Appendix G )

Angle Pole Problem    
Appendix F - Part 3

Annual Weather Variations, Normal    
Table 1 - Note (ddd)

Apparent Sag-Definition    
23.3B , Figure 4

Applicability of Common Neutral Rules    
59.2

Applicability of Rules    
11 , 12 , 13

Arching Shields    
104 , 114

Arm Guy (
See Guy )

Arms (
See Crossarm )

Arrangement of Lines    
32

Arresters, Lightning    
22.0 , 33.3A , 89.2

Attachment of Protective Covering    
54.6I , 84.6F

Attachment of Conductors

to Bridges, Buildings, etc.     54.4H2 , 54.4I , 84.4F
to Insulators    
54.11B1
to Trolley Span Wires    
78.1 , 78.2

Attachment of Conductors to Surface of Poles    

Cables and Messengers, Longitudinal     57.4F , 84.4D2 , 87.4D2
Communication Conductors, Longitudinal    
84.4D2 , 92.1C , 92.1D
Communication Service Drops    
84.8B2b
Ground Wires    
54.6B , 84.6B
Low Voltage, on Racks (
See Rack Construction )
Lateral Runs    
54.6C , 84.6C
Risers    
54.6E , 84.6E
Vertical Configuration    
54.4D6b
Vertical Runs    
54.6D , 84.6D
Without Use of Wood Crossarms    
54.11B

Attachment to Poles of Span Wires, Foreign     34 , 78.3

Autotransformer    
24.1

Avoidance of Conflict    
31.3 , 31.4



 
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B

Backbone    
77 , 77.6b

Backup Plate    
54.6E1c

Barriers    
51.6B , 61.6A , 61.6B

Bending, Moduli of Rupture in    
48.1 , Table 5

Birmingham Wire Gage (BWG)    
24.2B

Bolts, Covered in Climbing Space    
54.7A3 , 58.1B1

Bonds (or Bonding)

Capacitors or Regulators     58.4C
Circuits of 7,500 or Less    
53.4B , 103.1B , 113.1B
Circuits of More than 7,500 Volts    
53.4A , 63.4 , 103.1B , 113.1B
Common    
53.4A3b
Communication Messengers and Guys    
83.4
Covering of Bond Wires    
53.4A , 53.4B , 83.4
Grounded    
33.3A , 52.4F , 53.4A3a , 53.4A3b
Messengers and Cables    
57.8 , 83.4 , 92.4
Phasetophase    
63.4
Pins and Deadend Hardware    
53.4 , 63.4
Separate    
53.4A3a
Separation of Bond Wires    
52.4B , 52.7C
Transformers    
58.1 , 58.2A3
Wire Size    
53.4 , 63.4

Boxes

Location and Clearance     54.4G , 58.6 , 84.6D , 88.1 , 92.1F

Braces

Metal Back     52.7E , 54.7A3 , 84.7B
Requirements for Use    
47.2
Separation from Other Hardware and Conductors    
52.7B , 92.3

Brackets

Cable    87.5
Communication, Open Wire    
84.4Clb
Service Drop, Clearance    
54.8C2 , 84.8D2
Strength    
Table 4 (Section 4 )
Trolley    
77.6C

Bridge

Attachment to     54.4H2 , 54.4I , 84.4F
Clearance of Conductors from
Table 1-Cases 6 and 7 , 54.4H , 54.4I , 84.4F
Definition    
20.3

Bridled Runs    84.6D

 

Buck Arms

Clearance, Modified     64.4C2
Climbing Space    
54.7A3 , 84.7B
Definition    
21.0B
Vertical Separation    
Table 2-Case 14 , 54.4C2a

Bundle Conductor-Definition     20.9-A



 
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C


Cable


Aluminum, Steel Reinforced    
Table 23 (Appendix B )
Auxiliary    
77.6A5 , 78.3C
Bonding and Grounding    
57.8
Boxes (See
Boxes )
Clearance from its Messenger    
57.4D
Clearances (See
Conductor )
Covering In Lieu of Guard Arms    
57.7 , 87.7
Definition    
20.4 , 87.1
Equalizer    
74.4G3
Fastenings    
Table 4 , 87.5
Guarding Above Trolley Contact Conductors    
57.4B2 , 87.4B2
Guarding at Pole Attachments    
57.4F , 57.7 , 87.4C3 , 87.7
Hooks, Location of    
84.4C1c , 84.8B2b
Lateral and Vertical Runs (See
Runs )
Loading (See also Loading)    
49.7-B
Low Voltage, Multiconductor with Bare Neutral    
54.10
Messenger (See
Messenger )
Neutral Supported (Triplex) Service Drop    
54.8B4b
Protection    
54.6D , 54.6E , 57.7 , 84.7D , 84.6E , 87.7
Risers (See
Risers )
Sag    
57.9 , 87.8
Terminals    
54.6F , 84.6D , 88.1
Triplex (Neutral Supported Service Drop)    
54.8B4b

Capacitors, Detail of Installation     54.4


Case Clearances

Capacitors    58.1B
Regulators    
58.1B
Switches    
54.4G , 58.6A
Transformers    
58.2A3

 

Catenary Construction

Definition    20.5
Required for Grade Crossings    
74.4B2 , 74.4F2

 

Change in Grade of Construction    47.4 , 49.3C2

Circuit (or Circuits)

Definition    20.6
Different Circuits on Same Crossarm    
32.4 , 89.2A
Governmental Agency Control    
92.2
Ownership Designation    
32.4A4
Relative Levels    
32.2

Class C Communication Circuit-Definition    20.6A

Class E Supply Circuit-Definition    
20.6D1

Class H Supply Circuit-Definition    
20.6D2

Class L Supply Circuit-Definition    
20.6D3

Class T Supply Circuit-Definition    
20.6E

Clearance Arm (See
Crossarm )

Clearances (See Following Headings)

Conductor Clearances
Case Clearances
Ground Wires
Guy Clearances
Guy Insulators
Hardware
Lateral Conductors
Lead Wire Clearances
Messenger Clearances
Pole
Risers
Roofs
Runs
Service Drop Clearances
Sign Clearances
Span Wire Clearances
Street Lighting
Tower
Transformers

Climbing Space

Allowable Obstructions     54.7A3 , 54.9F , 54.10F3 , 54.11G , 54.12F3 , 58.3A3, 84.7E , 88.1
Buck Arm Construction    
54.7A2 , 84.7B
Combination Line Arms    
54.7A2
Communication circuits    
84.7
Definition    
20.7
Joint Poles  
 93
One Vertical Circuit at Pole Top    
54.11F
Rack Construction    
54.9F
Space Bolts, Dead End, Covered In    
54.7A3
Supply Circuits    
54.7
Terminals, Communication, Allowed In    
88.1
Through Bolts, Transformer, Covered In    
58.1B3
Trolley Circuits    
74.7

Colinear Lines

Definition    22.1B
Requirements    
32.3 , 54.4D3 , 56.4C2 , 84.4D3 , 103.5

Combination Arm

Circuits Permitted    32.4 , 54.4C2b , 54.7A3 , 54.8E
Definition    
21.0A
Marking (See also
Marking )    52.4C

Common Neutral System,Requirements for     59

Common Neutral, Tagging of    
59.3F

Communication Requirements    
Section VIII

Concrete, Strength of    
Table 4 , 48.3

Condition, Most Stringent    
14

Conditions, Limiting, Specified    
14

Conditions, Two or More    
14 , 42.1

Conductor (or Conductors)

Arrangement Without Wood Crossarms     54.11B2
Attached to Surface of Pole (See
Attachment )
Bundle-Definition    
20.9A
Clearances (See
Conductor Clearances )
Common Neutral System    
59.3
Contact (See
Trolley Contact )
Covering, Weatherproof    
54.8A , 54.9C1 , 74.4G3 , 84.8A , 92.2
Covering, Weather Resistant    
20.9G
Dead Ends (See
Dead Ending )
Definition of Kinds    
20.9
Duplex Communication    
84.4C2
Earth as    
33.2
Fastenings or Tie Wires    
49.3B3 , 49.3C1b , 49.3C2
Fire Alarm and Police    
92.2
Ground (See also
Ground Wires )    33.2 , 92.4
Insulated, Suitable-Definition    
20.9G
Lateral (See
Lateral Conductors )
Line-Definition    
20.9C
Loading    
43 , App. B
Material    
49.4A , 54.11C , 59.3A , 6.3, 74.3
Neutral    
33.1 , 59.2
Open wire-Definition    
20.9D
Overhead Lighting    
61.3A2 , 103.2 , 113.2
Protected    
54.4H2 , 54.4I , 54.6C , 54.6D , 54.6E , 84.6D , 84.6E
Safety Factor    
44 , Table 4
Sag (See
Sag )
Service Drop (See
Service Drop )
Size    
49.4B , Table 8 , 59.3B , 59.4A , 74.3 , 113.4
Spacing    
54.11D
Splices (See
Splices Conductor )
Strength    
49.4C , App. B
Suitable Insulation    
20.9G
Suspensions    
63
Tensions (See
Tension )
Triplex Communication    
84.4C2
Unprotected    
20.9E , 54.6A , 58.1B
Vertical (See
Vertical Conductors )
Weather Resistant not Suitably Insulated    
20.8G

Conductor Clearances

Above Ground    37 -Table 1-Cases 1 to 5
Above Swimming Pools    
54.4A3 , 84.4A5
Above Tracks of Railways    
37 - Table 1-Cases 1 and 2
Above Trolley Conductors    
38 -Table 2-Case 2
At Points of Failure    
49.4C4 , 74.4F
At Same Potential    
64.4C2
Basic    
37 -Table 1 , 38 -Table 2
Between Conductors    
38 -Table 2-Cases 1 to 17, 20
From Bridges, Buildings, etc.    
37 - Table 1-Cases 6 and 7
From Crossarms    
37 -Table 1 -Case 9 , 54.4E , 58.3A2
From Drip Loops    
54.4C7 , Figure 33
From Grounded Metal Boxes    
54.4G , 58.1B , 92.1F2
From Guys and Messengers    
38 -Table 2-Cases 1, 18, and 19
From Hardware (See
Hardware )
From Lead Wires    
54.4C6 , Figure 33
From Poles    
37 -Table 1-Cases 8 and 9
From Signs    
39 , Table 2A
From Span Wires    
38 -Table 2-Cases 1, 18, and 19
From Street Lights    
58.5B3 , 58.5E , 92.1F5
From Transformers    
54.4G , 92.1F
From Trees    
35 , Table 1, Case 13
Height Adjacent to Crossings    
101.1 , 111.2
Modification of Basic Clearances    Footnotes to Tables
1 and 2
On Insulators without Wood Crossarms    
38 -Table 2-Case 20 , 54.11B1 , 54.11E
Reduced from Crossarms    
54.4E , 58.3A2
Service Drop Clearances (See
Service Drop Clearances )
Triangular Configuration, Between Conductors  
 54.4C1c , 64.4C1
Unprotected Vertical and Lateral    
54.6A
Vertical Configuration, Between Conductors    
54.4C1a , 64.4C1

Conductor Insulators

Flashover Voltages     55.3C -Table 12
Material    
55.1 , 65.1 , 85.1
Method of Testing    
55.3C
Safety Factors    
44 , Table 4
Strength    
49.5A
Voltage Requirements    
55.3 , 65.1

Conductor Suspensions    63

Conduit (See also
Pipe and Protective Covering )    20.9E , 52.7D , 54.4H2 , 54.4I , 54.6C , 54.6D , 54.6E , 54.6F , 84.4F

Conflicting Lines-Definition    
22.1A , Section X

Conflicts, Cooperation to Avoid    
31.1 , 31.4

Connections, Electrical    
49.4E , 59.3C

Constructions and Reconstruction of Lines    
12.1 , 44.1

Change of Grade    47.4
End Supports in Grades A and B    
47.5
Grades of    
42 , 44.1 , 49.1B

Control Circuits, Governmental Agency    92.2

Cooperation to Avoid Conflicts    
31.4

Copper Covered Steel    
Table 22

Copper Wire, Characteristics of    Tables
17 to 20 , Appendix B

Corrosion Resistant (See
Galvanizing )

Cover

Bolt - Definition     22.8C
Bolt - in Climbing Space    
54.7A3i , 58.1B3

Covering (See Protective Covering )

Cradles or Screens    
105 , 115

Crossarm or Arm

Braces (See Braces )
Brackets (See
Brackets )
Buck Arm (See
Buck Arms )
Clearance Arm, Use of    
21.0C , 32.3 , 54.4D3 , 54.8C2 , 84.4D3 , 84.8D2
Combination Arm (See
Combination Arm )
Cutout, Marking of    
52.4D
Definition of Kinds     21.0
Guard Arm (See
Guard Arms )
Heel    
58.1B3
Kicker (Same as
Heel )
Material    
49.2A , 52.5 , 54.8C3 , 84.8D3
Marking    
52.4 , 59.3F
Metal    
52.5 , 52.4E4
Painting (Same as
Marking )
Pin and Dead End Spacing    
37 - Table 1-Case 8 , 38 -Table 2-Case 15
Pole Top Extension (See
Pole Top Extension )
Safety Factor    
44 , Table 4
Size    
49.2B
Strength    
49.2C

Crossing Problem    Appendix F - Part 1

Crossings (See
Lines Crossing )

Cross Span Wires    
77.2

Cutouts (See
Switches )

In Working Space     54.7B2



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D

Dead End Assembly

Grounding of Cable    57.7 , 87.7B
Insulators (See
Conductor Insulators )
Safety Factor    
44 , Table 4
Separation of Hardware    
52.7D , 92.3
Spacing    
37 -Table 1-Case 8 , 38 -Table 2-Case 15 , 63.3
Strength    
57.5 , 87.5

Dead End and Suspension Spacing    37 -Table 1 , 38 -Table 2 , 63.3

Dead Ending Supply Conductors

At Top of Pole    54.4D8
Clearances (See
Conductor Clearances )
Messengers (See
Messenger Fastenings )
Space Bolt Covers in Climbing Space    
54.7A3
Typical Problems    
Appendix F - Part 1
Vertical Configuration    
54.4C4 , 54.4D6

Decorative Garlands    34 , 78.3 , 78.3A2

Decorative Street Lighting    
78.3A1 , 78.3B , 78.3C

Definitions    
Section II

Deflection, Structures Capable of    
56.2 , 66.2 , 86.2

Depth of Setting Wood Poles    
49.1C

Deterioration (See
Replacement )

Deviation, Angle of-Illustrated    
Figure 86 , Appendix G , Appendix F - Part 3

Diagrams    
Appendix G

Dimensions (See also Size under various items)

Crossarms    49.2B , Appendix F
Poles    
49.1B , 82 , Appendix F
Protective Covering    
22.8 , Figure 81 , Figure 82 (Appendix G )
Tower Members    
61.3A1
Towers    
22.1C

Disconnects (See Switches )

Districts, Loading    
21.2C , 43.1 , 43.2 , 49.4C , Appendix A

District, Rural    
21.2B

District, Urban    
21.2A

Division of Industrial Safety    
39 , Table 2A, ref. (b)

Douglas Fir Molding (See
Protective Covering, Suitable )

Drainage Coils    
89.2

Drip Loops (See
Lead Wires )

Drive Hooks    
84.4C , 84.8B2b2

Drop Wires, Street Light    
54.6A , 58.5B3 , 92.1F5

Duplex Pin Construction    
102.1 , 112.1



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E

Earth as a Conductor     33.2

Effectively Grounded-Definition    
21.4A

Elasticity, Modulus of, for Conductors    
Appendix C

Element, Subordinate    
12.1C

End Supports-Grades A or B    
47.5

Equalizer Cable, Trolley    
74.4G3

Equipment, Miscellaneous (See
Miscellaneous Equipment )

Exceptional Cases, Relative Levels    
32.2G

Exemptions or Modifications    
15

Exposed Guy (See
Guy )

Experimental Installations    
15.2



A
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F

Factor of Safety (See
Safety Factor )

Fastenings (See Fastenings under various items)

Feeder

Auxiliary    74.3 , 74.4C , 77.6A5
Common Neutral    
59.3B , 59.3D
Span Wire    
77.6A4 , 77.6A5 , 77.6C3 , 78.1
Trolley    
37 -Table 1Col. C , 74.3 , 74.4G3
Fence
Barrier    
51.6B , 61.6B
Substation    
61.6B
Third Rail Enclosure    
79.4

 

Fiber Conduit    54.8C2 , 77.6A6 , 84.8D2

Fire Alarm Circuits    
20.6A , 54.8C1 , 92.2

Fittings, Terminal Fixtures    
54.6F , 84.6D

Decorative Lighting    34 , 78.3
Street Lighting    
58.5B , 58.5D , 92.1F5
Traffic Signal    
58.4

 

Footings and Foundations    45 , 46 , 48.5

Foreign Attachments    
34 , 78.3



A
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G

Gains, Pole    
49.1D

Gages, Kinds    
24.2

Galvanizing or Corrosion Resisting    
49.2A2 , 49.3A , 49.6A , 49.7A , 49.8 , 61.3A1

Garlands, Decorative    
78.3 , 78.3A2

Governmental Agency Control Circuits    
92.2

Grades of Construction (See also
Pole, Dimensions )    42 , Table 3 , 42.1 , 42.2 , 42.3 , 49.1B

Change In    47.4 , 49.3C2

Greater Sag Permitted    37 , Appendix F

As a Conductor    33.2
Connection, Grounded    
21.3 , 33.3
Resistance    
21.4 , 59.4B2
Separation from Hardware    
52.7C
Wires and Neutrals    
33.1 , 54.6B , 61.3A2 , 84.6B

 

Grounded

Effectively    21.4A , 33.3A , 61.3A2
Guys (See
Guy )
Independently    
33.3B
Marking of Grounded Condition    
58.3C , 59.3F
Metal Boxes and Equipment    
54.4G , 54.6F , 58.6C
Permanently    
21.4B
Securely    
21.4C

 

Grounding, Requirements for

Airbreak Switches     58.3D4
Cables and Messengers    
57.8 , 92.4
Capacitors    
54.4G
Common Neutral System    
59
Guys (See
Guy )
Hardware (See
Hardware )
Metal Crossarms    
52.5 , 54.4G
Overhead Guys (See
Overhead Guys )
Regulators    
54.4G
Risers    
54.6E , 84.6E
Switch Airbreak    
58.3D4
Transformer Cases    
54.4G , 58.2A3
Transformer Windings  
 58.2A1 , 58.2A2
Vertical Run Conduit    
54.6D , 84.6D

 

Ground Wires

Clearance from Hardware     52.7B , 52.7C , 54.6B , 54.6H
Common Neutral    
59.3C , 59.4
Conductivity    
54.6B
Covering-Definition    
22.8A , 54.6B , 84.6B
Location    
54.6B , 84.6B
Material    
49.4A , 61.3A2 , 84.6B
Mechanical Strength    
54.6B , 59.4 , 61.3A2 , 84.6B

 

Guard Arms

Definition    21.0D
Material and Size    
49.2A , 49.2B , 57.7
On Joint Poles    
92.1A to F1 incl.
Strength    
49.2C , 54.9E1
Use with Cable and Messenger    
57.4F , 57.7 , 87.4C3 , 87.7B
Use with Grounded Equipment    
54.6F , 58.6B
Use with Low Voltage Racks    
54.9E1 , 54.9E2

 

Guarding

Latticed Steel Poles     51.6B
Messengers (See
Messenger, Guarding )
Third Rail    
79.2 , 79.3
Towers    
61.6B

 

Guy (or Guys)

Anchor (See Anchor Guy )
Arm    
56.7A , Figure 567
Attached to Grounded Structures    
66.6
Attachment, Center of Load    
56.2 , 66.2 , 86.2
Branched or Bridle    
56.7A , Figure 567
Bonding    
83.4 , 92.4
Definition of    
21.5
Exposed-Definition    
21.5C , 86
Fastenings, Hooks, Shims and Thimbles    
56.5 , 66.5 , 86.5
Grounding or Grounded    
56.6D , 56.6E , 66.6 , 86.6 , 92.4
Guarding where Clearance Reduced to Messengers    
56.4C4 , 86.4C4
In Climbing Space    
52.7D , 54.7A3 , 84.7E
In Proximity-Definition  
21.5D , 56.6 , 86.6 , Figures 562 to 5610
Lead of Guy, Illustrated    
Figure 86 (Appendix G )
Location of Sectionalizing Insulators    
56.7 , 86.7
Markers (Guards)    
56.9 , 66.7 , 86.9
Material    
49.6A
On Poles Set Shallow    
49.1C
Overhead (See
Overhead Guys )
Protection of, above Trolley Contact Conductors    
56.4B2 , 86.4B2
Safety Factor    
44 , Table 4
Sectionalizing Requirements    
56.6 , 66.6 , 86.6
Sidewalk    
56.7B , 86.7B , Figure 51
Size    
49.6B , 61.3A3
Span    
21.5A
Strength    
49.6C , Table 9 ; 61.3A2 , Table 24
Taut    
56.2 , 66.2 , 86.2
Truss    
56.7C , 86.7C , Figure 5610
Use of    
47.2 , 56.2 , 66.2 , 86.2

 

Guy Clearances

Above Ground and Tracks of Railroads     37 - Table 1Col. A
Above Swimming Pools    
56.4A3 , 86.4A3
From Buildings, etc.    
37 - Table 1
From Conductors, Guys and Span Wires    
38 -Table 2Col. A
From Insulators    
56.4D3 , 86.4D3
From Poles    
56.4E , 86.4E
From Transformer Cases    
56.4F
High Voltage, Not Decreased    
66.4

 

Guy Insulators

Clearance from Guys     56.4D3 , 86.4D3
Flashover Voltages    
56.8C -Table 13 , 86.8C -Table 16
Location of Sectionalizing    
56.7 , 77.6 , 86.7
Material    
56.8A , 86.8A
Method of Testing    
56.8C , 86.8C
Strength    
49.5B
Safety Factors    
44 , Table 4
Voltage Requirement    
56.8C , 86.8C



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H

Hanger Arms (See
Crossarms )

Hardware

Bonding    53.4
Clearances from Conductors    
52.7C , 54.6B , 58.3A2 , 92.3
Clearances from Ground Wires (See
Ground Wires )
Construction Without Wood Crossarms    
54.11B1
Grounding    52.5,
52.7B , 52.7F , 91.4
Insulating Material Provide Clearance    
54.6H
Material    
49.2A2 , 49.3A , 49.8 , 61.3A
Safety Factor    
44 , Table 4
Separation from Other Hardware    
52.7D , 53.4A2 , 53.4B , 54.6H , 58.1B3 , 91.4 , 92.3
Strength    
57.5 , 77.5 , 87.5

 

Hardwood Molding (See Protective Covering, Suitable )

Head Guys (See
Overhead Guys )

Heavy Loading    
43.1

Heel Arms (See also
Crossarms )    58.1B3

Height of Guy    
Figure 86 (Appendix G )

High Voltage Signs (See
Marking )

Hooks, Guy    
86.5

Hooks, Location of (See
Cable Hooks )

Horizontal Insulator-Definition    
54.11A



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I

Ice Loading    
43.1B

Incidental Pole Wiring    
38 -Table 2-Cases 16 and 17

Indicating Switches    
58.3B

Induced Voltage, Protection Against    
89.2 , 92.4B

Inductive Interference    
90

Inductive Parallels-Avoidance of Conflict    
31.3 , 31.4

Insulated-Definition    
21.6

Insulators without the Use of Wood Crossarms

Attachment    54.11B2
Clearances    
54.11B1 , 54.11E
Climbing Space    
54.11F
Conductor Arrangement    
54.11B2
Conductor Spacing    
38 -Table 2-Case 20 , 54.11D
Hardware    
54.11B1
Horizontal Position-Definition    
54.11A
Triangular Configuration    
54.11B2
Vertical Clearance Between Levels    
38 -Table 2 , 54.11E
Vertical Position-Definition    
54.11A

Illustrative Diagrams     Appendix G

Inspection

of Lines    31.2
of Third Rail    
79.6

Insulation, Suitable    20.9G

Insulators (See also
Conductor Insulators and Guy Insulators )

Service Drop with Bare Neutral     49.4C7a , 54.8A
Span Wire and Backbone    
77.6
Street Lighting, Lowering Ropes In    
58.5D
Strength of    
46 , 49.5
Suspension    
63
Trolley Suspension    
77.6A3 , 77.6C1

Intent to Construct, Notice of    31.4

Intermediate Loading District (See
Modified Loading District )

Isolated-Definition    
21.7

Isolating of Exposed Guys    
92.4A , 92.4B

 



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J

Joint Use of Poles

Consideration by All Interested Parties     31.5 , 91.1
Construction Requirement    
Section IX
Definition    
21.8
Not Allowed on Nonclimbable
Partial Underground    
31.5 , 91.1

 

Jumpers (See Lead Wires )



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K

Kicker Arm (Same as
Heel Arm )

 



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L

Lateral Conductors

Clearances from Poles and Crossarms     37 - Table 1-Cases 8 and 9 , 54.4E , 54.6C , 84.6C
Definition    
20.9B
Insulation    
54.6C , 54.8C2 , 84.6C , 84.8D2
Protective Covering    
54.6C , 84.6C , 87.7A
Runs of (See
Runs )
Unprotected    
54.6A

 

Latticed Steel Poles

Guarding    51.6B
Marking    
51.6A , 52.4B
Safety Factor     44 , Table 4
Stepping    
51.7
Strength    
45 , 46 , 48.2

 

Lead of Guy-Illustrated    Figure 86 (Appendix G )

Lead Wire Clearances

Above Ground    37 -Table 1-Cases 1 to 5 , 58.1B1
From Cases    
58.1 , Table 582
From Hardware (See
Hardware )
From Other Conductors    
38 -Table 2-Cases 16 and 17 ,  54.4C6 , 58.5
From Poles and Crossarms    
37 - Table 1-Cases 8 and 9

 

Lead Wires

Definition    21.9
In Working Space    
54.7B2 , 58.1C , 58.5C , 58.3
Levels    
32.3 , 92.2

 

Lift Span

Definition    22.1A
Trolley Construction    
77.6C2 , 77.6C3

Lighting (See Street Lighting )

Lightning Arresters-Definition    
22.0

Lightning Protection Wires    
61.3A2 , 103.2 , 113.2

Limiting Conditions Specified    
14

Line (or Lines)

Abandoned    31.6
Arrangement of    
32
Clearances (See
Conductor Clearances )
Colinear    
22.1B , 32.3
Conductor-Definition    
20.9C
Conflicts  
 22.1A , 31.3 , 31.4 , Section X
Construction of     
12.1 , 31.1
Cutouts (See
Switches )
Definition    
22.1
Design    
31.1
Grades of Construction    
42
Inspection of    
31.2
Maintenance of    
12.2 , 31.1
Reconstruction of    
12.1
Switches (See
Switches )

 

Lines Crossing

Highways    37 -Table 1-Cases 3 and 4 , 49.4C4
Other lines    
38 -Table 2 , 42.2 , 42.3 , Section X , Appendix F
Railroads    
37 -Table 1-Cases 1 and 2 , Section XI
Typical Problems    
Appendix F

 

Loading Districts    21.2C , 43 , 43.1 , 43.2 , 49.4C ,  Appendix A

Loads

Balanced    49.2C1 , 49.3C1
Unbalanced    
47.3 , 49.2C2 , 49.3C2
Wind    
43.1A , 43.2A , 49.1C

 

Longitudinal Strength    47

Low Voltage Racks (See
Rack Construction )



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M

Maintenance

Definition    22.2
of Lines    
11 , 12.2 , 31.1 , 31.2 , 35 , 44

 

Major Railways    22.9B

Marking

Common Neutral, Designation     59.3F
Guy Marker    
56.9 , 66.7 , 86.9
Latticed Steel Poles    
51.6A
Less Than 750 Volts    
52.4C
Ownership, More Than 750 Volts    32.4A4
Third Rail    79.1, 79.3, 79.4
Towers and Structures    
61.6A

 

Marking, High Voltage

Methods    51.6A , 61.6A
Requirements for Crossarms    
51.6A , 54.4I
Requirements for Poles    
51.6A
Requirements for Towers and Structures    
61.6A

Material, Strength of (See Strength of Material )

Material, Tower Members    
61.3A1

Maximum Allowable Tension-Definition    
23.7A

Maximum Limiting Conditions    
14

Maximum Working Tension-Definition    
23.7B

Clearances (See Messenger Clearances )
Bonding    
83.4 , 92.4
Definition    
23.7
Fastenings, Hooks, Shims and Thimbles    
57.5 , 77.5 , 87.5
Grounding    
92.4

 

Messenger (or Messengers) (See also Span Wires )

Guarding Above Trolley Contact Conductors     57.4B2 , 87.4B2
Guarding Where Attached to Poles    
57.4F , 57.7 , 87.4C3 , 87.7
Guarding Where Clearance Reduced to Guys    
56.4C4 , 86.4C4
Material    
49.7A
Requirements for Use    
57.2 , 87.2 , 89.4 , 103.4 , 113.4
Safety Factor    
44 , Table 4
Sectionalizing of    
57.6 , 77.6 , 87.6
Strength    
49.7B , Table 24 (Appendix B )
Supports    
49.7C

 

Messenger Clearances

Above Ground and Tracks of Railways     37 - Table 1Col. A
Between Cables and Messengers    
38 -Table 2Col. A and C
Between Messengers    
38 -Table 2Col. A and C
From Buildings    
37 -Table 1Col. A
From Cables Supported    
57.4D
From Guys or Span Wires    
38 -Table 2Col. A and C
From Poles    
57.4F , 87.4D

 

Messenger Insulators (See Guy Insulators )

Metal Crossarm    
49.2A2 , 52.4E4, 52.5

Metal Back Braces    
52.7E , 82.4B

Metal Boxes (See
Boxes )

Metal Poles    
52.4E3

Meters, Located on Pole    
58.6

Meter Pole (See
Service and Meter Pole )

Minimum Limiting Conditions    
14

Minor Railway-Definition    
22.9A

Miscellaneous Equipment     
52.4D , 58 , 88


(See also Following headings)

Cable Terminals
Capacitors
Disconnects
Line Switches
Metal Boxes
Meters
Street Lighting
Time Switches
Traffic Signals
Transformers
Voltage Regulators


Modifications or Exemptions    
15

Modified Loading District    
43

Modulus of Elasticity for Conductors    
Appendix C

Modulus of Rupture of Wood    
48.1 , Table 5

Most Stringent Condition    
14

Moulding (See
Protective Covering )

Multiconductor Bare Neutral Construction    
54.10



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N

Neutral, Common (See
Common Neutral )

Neutral Conductors

Classification of    33.1
Grounding of    
33.2 , 33.3 , 59.4B
Interconnection of    
33.3B , 59.2

Neutral Grid System    59.4B

New British Standard Wire Gage (NBS)    
24.2C

NonWalkable-Definition    
22.4

Normal Annual Weather Variations    
Table 1 Note (ddd)

Normal Conditions    
35

Normal Sag    
23.3A

Notice of Intention to Construct    
31.4

Notification    
15.3



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O

Obstructions, Allowable

In Climbing Space     54.7A3 , 54.9F , 54.10F3 , 54.11G , 54.12F3 , 58.3A3 , 84.8E
In Working Space    
54.7B2

Open Wire-Definition    20.9D

Overbuilds    
22.1B ; Figs. 2 and 3 (Appendix G )

Overhead Ground Wire    
61.3A2 , 103.2 , 113.2

Definition    21.5A
Fastenings, Hooks and Shims    
56.5 , 66.5 , 86.5
From Transformer Cases    
56.4F
Grounding    
56.6D , 56.6E , 66.6 , 86.6C , 86.6D , 92.4
In Climbing Space    
52.8D , 54.7A3 , 84.7E
Location of Sectionalizing Insulators    
56.7 , 86.7
Material    
49.6A , 66.3
Protection above Trolley Contact Conductors    
56.4B2 , 86.4B2
Sectionalizing Requirements    
56.6 , 86.6
Size    
49.6B , 61.3A3a
Strength    
48.4 , 49.6C , 66.3 , Table 24 (Appendix B )
Use of     
47.2 , 56.2 , 66.2 , 86.2
Overhead Line Structures-Definition    
22.1D

 

Overhead Guys    21.5-A

 



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P

Painting (Same as
Marking )

Partial Underground Distribution

Climbing and Working Space     54.7
Conductor Clearances    
54.4C4c , 54.4D2 , 54.4D6c ,  Figure 542, Figure 543
Definition    
22.5
Joint Use of Poles    
31.5 , 91.1
Terminals of Risers    
54.6F
Transformers    
58.2A3
Voltage Requirements    
55.3D

 

Permanently Grounded-Definition    21.4B

Permitted Sag    
Appendix C , Appendix F

Pins

Bonding    53.4
Duplex    
102.1 , 112,1
Grounded at Crossing    
104
Grounding (See
hardware Grounding )
Material    
49.3A
Safety Factor    
44 , Table 4
Separation from Hardware    
52.7D
Size    
49.3B1 , 49.3B2
Spaces, Vacant    
54.4C2b
Spacing    
37 -Table 1-Case 8 , 38 -Table 2-Case 15
Strength    
49.3C
Uplift On    
101.1 , 111.2

Pipe (See also Conduit and Protective Covering )

Plastic (See
Plastic Pipe )

Plastic Moulding

Use and Attachment     54.6D , 54.6I , 84.6F , Figure 82  (Appendix G )
UShaped-Definition    
22.8B
UShaped, Ground Wire-Definition    
22.8A

 

Plastic Pipe (See also Conduit and Protective Covering )

Definition    22.8B

 

Pole

Acting as Strut    49.1A , 56.2 , 66.2 , 86.2
Angle Problem    
Appendix F
Clearances from Railroad Tracks    
36 , Appendix E
Clearances of Conductors from (See
Conductor Clearances )
Concrete    
44 , Table 4 , 48.3
Deadend Problem    
Appendix F
Definition    
22.6
Depth of Setting    
49.1C , Table 6
Dimensions, Minimum Top    
49.1B
Gains    
49.1D
Inspection    
31.2
Maintenance    
11 , 12.2 , 31.1 , 35 , 44
Marking (See
Marking )
Metal    
52.4E3
Metallic Service and Meter     48.6
Nonclimbable-Definition    
22.6D
Replacement or Reinforcement Requirements    
44.2
Safety Factor    
44 , Table 4
Service and Meter-Definition    
22.6E
Setting Depths    
49.1C , Table 6
Spliced Poles    
22.6B , 49.1 , 101.2 , 111.3
Steel (See
Latticed Steel Poles )
Steel, Tubular    
44 , Table 4
Steps (See
Stepping )
Strength    
48.1 , Table 5 , 49.1A
Stub Reinforced-Definition    
22.6C

 

Poles, Jointly Used ( See Joint Use of Poles )

Pole Top Extension

Definition    22.6A
Strength    
49.1
Supporting Service Drops    
54.8C3 , 84.8D3 , Figure 41 (Appendix G )
Transformers on, Prohibited    
58.1A2

 

Police and Fire Alarm Circuits    20.6A , 54.8C1 , 84.8D1 , 92.2

Pool, Swimming-Definition    
23.6

Pothead    
20.9H , 54.6F

Practicable    
22.7 , 35 , 54.4C1a , 54.4-C1b , 54.4C6 , 54.4G , 54.8B , Table 10, 56.2 , 56.4D3 , 56.7A , 56.7B , 66.2 , 84.8C5 , 86.2 , 86.4D3 , 86.7B

Practice, Accepted Good    
13

Private Communication Circuits

Attachment to Trolley Span Wires     78.2
Construction Details    
89.2
Definition    
20.6B
On Same Arm as Supply Circuits    
32.4C , 89.2

 

Private Thoroughfare-Definition    24.0B

Problems, Typical    
Appendix F

Protection

Against Induced Voltages     90 , 92.4
Anchor Guys    
56.9 , 66.7 , 86.9
Cables (See
Cable )
Ground Wires    
22.8A , 54.6B , 84.6B , Figures 81 - 82 (Appendix G )
Messengers (See
Messengers, Guarding )
Third Rail    
79.2 , 79.3

 

Protective Covering, Suitable

Attachment to Pole     54.6I , 84.6F , Figure 81 (Appendix G )
Definition    
22.8
Douglas Fir, 1/2in. Ground Wire Molding    
22.8A1 , Figure 81 (Appendix G )
Hardwood Ground Wire Molding    
22.8A1 , Figure 81 (Appendix G )
Requirements for Use    
53.4 , 54.6C , 54.6D , 54.6E , 54.8C2 , 83.4 , 84.6C , 84.6D , 84.6E , 84.8D2
Rigid UShaped Plastic Molding (See
Plastic Molding )

 

Proximity (See Guys , In Proximity )

Public Thoroughfare

Definition    24.0A

 

Pulloffs    77.6B

 


Puncture Voltage    
55.3 , 56.8C , 86.8C

Purpose of Rules    
11



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Q

 



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R

Rack Conductor Clearances

Between Conductor Levels     54.9E
From Poles    
54.9B1
On Joint Poles    
92.1A , 92.1B

 

Rack Construction, Low Voltage

 

Climbing Space    54.9F
Conductor Arrangement    
54.9B2
Conductor Material    
54.9C
Conductor Spacing and Span Length    
54.9D

 

Radial Separation

Between Guys and Conductors     38 -Table 2-Cases 18, 19
Of Conductors, Same Support    
38 -Table 2-Cases 16, 17
Of Conductors, Where Colinear or
Approaching Crossings    
38 -Table 2-Cases 1 7

 

Railways

Conductor Clearances Above (See Conductor Clearances )
Crossing of    
Section XI , Appendix F
Definitions, Major, Minor, Street    
22.9
Pole Clearances from    
36 , Appendix E

 

Reconstruction

Definition    23.0
Notification of    
31.4
Of Lines    
12.1
Or Alteration, Commission May Order    
12.4
Safety Factors for    
44.1

 

Regulators, Voltage    58.1

Reinforcement Safety Factor    
44.2

Related Buck Arm (See also
Buck Arm )    21.0B

Relative Levels    
32.2 , 92.2

Replacement

Circumference of Grade F Poles    Tables 25 and 27 (Appendix D )
Safety Factors    
44.2

Resistance of Grounds    21.4A1 , 59.4B2

Risers

Clearances    54.6E , 54.6H , 87.7D
Covering    
54.6E , 54.6I , 84.6F , 87.7D
Definition    
23.1
Terminals    
23.8 , 54.6F , 54.7A3

 

Roofs (See Clearances from Buildings Under Various Items)

Rules

Applicability of    11 , 12 , 31
Exemptions from or Modification to    
15
Limiting Conditions    
14
Purpose of    
11
Saving Clause    
16
Scope of    
13

 

Runs

Bridled    84.6D
Clearances    
54.6H
Covering    
22.8 , 54.6I , 84.6F
Definition    
23.2
Lateral    
54.6C , 84.6C
Terminals    
54.6F
Vertical    
54.4D9 , 54.6D , 84.6D , 92.3

 

Rural District-Definition    21.2B



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S

Safety Factor

For Various Grades of Construction     44 , Table 4
General    
44
Installation and Reconstruction    
44.1
Replacement or Reinforcement    
44.2

Sag

Additional Allowance for Temperature     37
Charts of Sag for Copper Conductors    Charts
1 to 9 inclusive (Appendix C )
Communication Conductors, Suggested    
Table 24 (Appendix C )
Definition of Apparent and Normal    
23.3 , Figs. 4 and 5 (Appendix G )
For Cables and Messenger    
57.9 , 87.8
For Conductors    
54.5 , 74.5 , 84.5 , Appendices C and F
Permitted, Greater    
Appendix F

Sags and Tensions    Appendix F

Saving Clause    
16

Scope of Rules    
13

Screens or Cradles    
105 , 115

Securely Grounded-Definition    
21.4C

Service and Meter Pole

Definition    22.6E
Metallic    
48.7

 

Service Drop Clearances

Above Ground    37 -Table1Col. B
Above Private Property    
54.8B2
Above Swimming Pools    
54.8B5 , 84.8C5
From Buildings    
37 -Table 1-Cases 6 and 7 , 54.8B4 , Table 10 , 84.8C4
From Cables and Messengers    
54.8C1 , Figure 42
From Guys    
38 -Table 2-Cases 18 and 19
From Line Conductors    
38 -Table 2Col. C and E , 54.8C , 84.4D1
From Poles    
38 -Table 1-Cases 8 and 9 , 32.3 , 54.4D , 54.8D , 84.4D4 , 84.8E
From Other Service Drops    
54.8C4 , 84.8D4
From Supply Conductors on
Combination Arms    
54.8E
On Clearance Arms    
54.8C2 , 84.8D2
On Pole Top Extensions    
54.8C3 , 84.8D3 , Figure 41 (Appendix G )

 

Service Drops

Attachment with Bare Neutral     49.4C7a , 54.8A
Covering, Weatherresistant    
49.4C7a , 54.8A , 84.8A
Definition    23.4
Material and Size    
49.4B , Table 8 , 49.4C7 , 54.8A , 84.8A
Multiple Conductor, Supply    
49.4C7a , 54.8A
Relative Levels    
32.2E , 32.2F

 

Setting of Poles, Depth of    49.1C , Table 6

Shims (See
Guy or Messenger Fastenings)

Sidewalk Anchor    
56.7B , 86.7B

Sign Clearances    
39 , Table 2A

Sign Marking Common Neutral    
59.3F

Sign, Warning    
54.4I , 79.4

Signal Circuits, Railway    
20.6C

Signals, Traffic    
58.4 , Figure 584

Size of Poles, Minimum    
49.1B

Space

Climbing (See Climbing Space )
Working (See
Working Space )

Space Bolts, Dead End, Covering    54.7A3

Spacing, Pin    
38 -Table 2-Case 15

Spacing, Dead End and Suspension    
37 -Tables 1 and 2 , 63.3

Span Guy    
21.5A

Span Wire Clearances

Above Ground    37 -Table 1 Columns A and C
Above Railways    
37 -Table 1 -Cases 1 and 2
From Conductors    
38 -Table 2-Cases 1 to 7, 19
From Guys and Span Wires    
38 -Table 2-Cases 1 and 18
From Poles and Structures    
37 -Table 1 -Cases 8 and 9
Under Bridges    
77.4B

 

Span Wires

Attachment to     78.2 , 78.3A , 78.3C
Definition    
23.5
Fastenings    
77.5
Lift Span - Definition    
23.5A
Location of Insulators    
56.7 , 77.6
Span Wire Clearances continued
Material and Strength    
49.7 , Table 24 (Appendix B )
Protection above Trolley Contact
Conductors    
56.4B2 , 86.4B2
Sectionalizing Requirements    
56.6 , 77.6

 

Spans

Crossing, Length of     103.3 , 113.3
Crossing Problem    
Appendix F - Part 1
Normal    
103.3 , 113.3
Strength of Conductors in    
49.4C

Spliced Poles

Definition                                          22.6B
Use in Line Crossing, Conflicts        
101.2
Use in Railway Crossing                  
111.3

Splices, Conductor

Location of    103.1A , 113.1A
Strength of    
49.4C6

Spreader Brackets    54.12D2

Steel Poles (See
Latticed Steel Poles )

Steel, Poles, Tubular    
44 , Table 4

Steel, Structural    
48.2

Steel Wire, Characteristics of  
 Table 21 (Appendix B )

Steel Wire, Copper Covered    
Table 22 (Appendix B )

Stepping

Poles    51.7 , 81.6 , 84.7E , 91.3
Towers    
61.7

Strain Insulators (See Insulators )

Street Lighting

Circuit Voltage    58.5A
Classification of Supply Circuits    
20.6D
Clearance from Metal Boxes    
58.5B3a , 92.1F5
Clearances    
58.5B , 92.1F5
Decorative (
See Decorative Street Lighting )
Drop Wires    
54.6A , 58.5B3a , 92.1F5
Exceptions    
58.5F
Requirements    
58.5

Street Railway-Definition    22.9C

Strength of Materials, Ultimate

Concrete, Prestressed     48.3B
Concrete, Reinforced    
48.3A
Conductors    
48.5 , Tables 17 to 23 (Appendix B )
Steel Strand    
48.5 , Table 24 (Appendix B )
Structural Steel    
48.2
Tower or Pole Foundations    
48.6
Wood    
48.1 , Table 5

Strength Requirements

All Lines    Section IV
Detailed    
49
Longitudinal Loads    
47
Transverse Loads    
45 , 45.1
Tower or Pole Foundations    
48.6
Ultimate    
48
Vertical Loads    
46

Stringent Condition, Most    14

Structural Material Other Than Wood    
48.2

Structural Steel    
48.2

Strut, Pole Acting As    
49.1A , 45.2, 66.2 , 86.2

StubReinforced Pole  
 22.6C , 101.2 , 111.3

Substation    
61.6B

Supply Circuits

Clearances (See Conductor Clearances )
Construction Requirements    
12.1 , 31.1 , 40 , 50 , 60 , 70 , 80 , 90 , 100 , 110
Definition of Classes    
20.6D
Relative Levels    
32.2 , 92.2

Suspension Insulators (See also Insulators )    63

Swimming Pool-Definition    
23.6

Switches, Cutouts, Disconnects

Capacitor    58.1
Grounding of    
52.7
Indicating Position    
58.3B
Lead Wires    
58.1 , 58.3
Line    
58.3
Operating Mechanism    
58.3
Regulator    
58.1
Street Lighting    
58.4
Time    
58.6
Transformer    
58.1 , 58.2



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T

Tables, List of    

Tag, Common Neutral    59.3F

Taps, Wire (See
Lead Wires )

Telephone Instruments on Poles or Structures    
89.3

Temperature    
43 , 43.1C , 43.2C

Tension

Maximum Allowable-Definition     23.7A
Maximum Working-Definition    
23.7B
Tensions and Sags    
Appendix F

 

Terminal-Definition    23.8

In Working Space     54.7B2

 

Terminals (See Riser Terminals and Cable Terminals )

Tests (See
Insulator Tests)

Thermal Expansion, for Conductors    
Appendix C

Third Rail, Requirements for    
79

Thoroughfare-Definition    
24.0

Through Bolts, Transformer Covering    
58.1B3

Tie Wires  
 49.3A2 , 49.3B3 , Table 7 , 49.3Clb , 49.3C2

Time Switches (See
Switches )

Tower

Clearances from Railroad Tracks     36 , Appendix E
Crossings    
60
Lines-Definition    
22.1-C
Materials    
61.3A1
Marking    
61.6A
Safety Factor    
44 , Table 4
Stepping    
61.7
Strength    
48.2
Vtype    
22.1-C
Ytype    
22.1-C

Traffic Signals    58.4 , Figure 584

Transformers

Autotransformers    24.1
Case Clearances    
58.1B
Case Grounding or Bonding    
58.2A3
Cutouts and Disconnects    
58.3
Grounding of Windings    
58.2A
Insulating    
89.2
Lead and Bus Wire, Clearances Above Grounds    
58.1B , Table 581
Platforms    
58.1B , Table 581
Position on Pole    
58.1A1 , 58.2A3
Through Bolt Covers in Climbing Space    
58.1B3

Transposition, Points of    38

Transposition Wires    
21.9

Transverse Strength Requirements    
45

Tree Trimming    
35 , Appendix E

Triangular Configuration of Conductors  On Pole Mounted Insulators   
53.4A1 , 54.4C1c , 54.4D8a , 54.11B2
 
Trolley

Attachments to Poles     78.3B , 78.3C
Attachments to Span Wires    
77.5 , 78.2 , 78.3A
Backbones    
77 , 77.6B
Brackets or Bracket Arms    
77.6C
Contact Conductor, Material and Strength    
74.3
Contact Conductor Clearances    
74.4
Details of Construction    
70
Equalizer Cables    
74.4G3
Feeders    
74.4G3 , 77.6A4 , 77.6A5 , 77.6C3 , 78.1
Lift Spans    
77.6C2 , 77.6C3
Messengers    
77 , 77.6D
PullOffs    
77.6B
Span Wires    
77.6A

Truss Guys    21.5B , 56.7C , 86.7C , Figure 51 , (Appendix G )

Tubular Steel Pole, Safety Factor of    
44 , Table 4

Two or More Conditions    
42.1

Two or More Systems, Arrangements    
32.1



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U

UShaped Plastic Moulding (See
Plastic Moulding )

Ultimate Strength of Materials    
48 , Appendix F

Underground Distribution Partial (See
Partial Underground )

Unprotected Conductors-Definition    
20.9E

Uplift on Foundations    
48.6

Uplift on Pin    
101.1 , 111.2

Urban District-Definition    
21.2A



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V

VType Support Structures    
22.1C

Vacant Pin Spaces    
54.4C2b , 54.8E2b

Vertical Conductors-Definitions    
20.9F

Risers (See Risers )
Runs (See
Runs)
Unprotected    
54.4D9 , 54.6A

Vertical Configuration     54.4C1c , 54.4C4 , 54.4D6 , 54.7A1 , 54.9

On Pole Mounted Insulators     54.11E , 54.11F

Vertical Mount Insulators-Definition     54.11A

Vertical Strength Requirements    
46

Voltage or Volts-Definition    
24.1

Voltage-Communication Conductors    
20.6A , 20.6C

Voltage Classification-Supply Circuits    
20.6-D , 20.6E

Voltage Regulators    
58.1



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W

Wall, Barrier    
51.6B2 , 61.6B2

Warning Signs

Bridges, Viaducts     54.4I
High Voltage (See
Marking , High Voltage )
For Latticed Steel Poles (See
Marking )
Third Rail    
79.4

Weatherproof Copper Wire, Characteristics and Loading    Tables 19 and 20 (Appendix B )

Weatherproofing or Weatherresistant Covering

Not Suitable for Insulation     20.9G
Police and Fire Alarm Conductors    
92.2
Rack Conductors    
54.9C
Service Drops    
54.8A , 84.8A

Weather Records     43

Weather Variations, Normal Annual    
Table 1 - Note (ddd)

Wind Loading    
43.1A , 43.2A , 49.1C

Wire

Aluminum, Steel Reinforced     Table 23 (Appendix B )
Copper    Tables
17 to 20 incl. (Appendix B )
Copper Covered Steel    
Table 22 (Appendix B )
Corrosionresisting    
49.4A
Gages-Wire    
24.2
Ground (See
Ground Wires )
Iron and Steel    
Table 21 (Appendix B )
Lightning Protection    
61.3A2
Lead (See
Lead Wires )
Overhead Ground    
61.3A2
Sags (See
Sag )
Tension (See
Tension )
Tie (See
Tie Wires )
Transposition    
21.9

Wood

Block Protection     54.6F5
Molding    
22.8 , Figure 81 (Appendix G )
Poles, Requirement for Treatment    
49.1B
Strength    
48.l , Table 5

Working Space

Allowable Obstructions in     54.4D6b , 54.7B2 , 58.1B1 , 58.3
Definition    
24.3
Dimensions    
54.7B1

Working Tension (See Tension )



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X



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Y

YType Support Structures    
22.1C

Yield Point of Steel    
48.2



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Z



A
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