Change List for this Rule

 

Original Version

Rule 49.3-B

 

49.3-B.    Size

 

1)    Wood Pins: The minimum diameter of the shank shall not be less than 1 inches.

 

2)    Metal Pins: The minimum diameter of the shank shall not be less than inches.

 

3)    Fastenings and Tie Wires: Fastenings and tie wires shall have no sharp edges at points of contact with conductors, and shall be applied in such a manner as not to damage the conductor.  The materials and minimum sizes of tie wires for the various sizes and types of conductors shall be as shown in Table 7.  Flat tie wire having a cross-sectional area not less than that of round wire of the gage specified for tie wires may be used.

 

Table 7

Size and Material of Tie Wires

Line conductor

Tie Wire

Material

Size

Size

Material

Copper, bronze, copper-covered steel, or composition of any of them

6 AWG and smaller

Same as line conductor

Soft copper or annealed copper-covered steel

4 AWG

6 AWG

2 AWG and larger

4 AWG

Galvanized iron or galvanized steel

10 BWG and smaller

Same as line conductor

Soft or galvanized iron or galvanized steel

9 BWG

10 BWG

8 BWG

9 BWG

4 and 6 BWG

8 BWG

Aluminum or ACSR

4 AWG and smaller

Same as line conductor

Soft aluminum

2 AWG and larger

4 AWG

 

Strikeout and Underline Version

Rule 49.3-B

 

49.3-B.    Size

 

1)    Wood Pins: The minimum diameter of the shank shall not be less than 1 inches.

 

2)    Metal Pins: The minimum diameter of the shank shall not be less than inches.

 

3)     Fastenings and Tie Wires: Fastenings and tie wires shall have no sharp edges at points of contact with conductors, and shall be applied in such a manner as not to damage the conductor.  The materials and minimum sizes of tie wires for the various sizes and types of conductors shall be as shown in Table 7.  Flat tie wire having a cross-sectional area not less than that of round wire of the gage specified for tie wires may be used.

 

Table 7

Size and Material of Tie Wires

Line conductor

Tie Wire

Material

Size

Size

Material

Copper, bronze, copper-covered steel, or composition of any of them

6 AWG and smaller

Same as line conductor

Soft copper or annealed copper-covered steel

4 AWG

6 AWG

2 AWG and larger

4 AWG

Galvanized iron or galvanized steel

10 BWG and smaller

Same as line conductor

Soft or galvanized iron or galvanized steel

9 BWG

10 BWG

8 BWG

9 BWG

4 and 6 BWG

8 BWG

Aluminum or ACSR

4 AWG and smaller

Same as line conductor

Soft aluminum or aluminum alloy

Or 6 AWG

Strong aluminum alloy*

2 AWG and larger

4 AWG

Soft aluminum or aluminum alloy

Or 6 AWG

Strong aluminum alloy*

 

*Minimum tensile strength of 350 pounds.

 

FinalVersion

Rule 49.3-B

 

49.3-B.    Size

 

1)    Wood Pins: The minimum diameter of the shank shall not be less than 1 inches.

 

2)    Metal Pins: The minimum diameter of the shank shall not be less than inches.

 

3)     Fastenings and Tie Wires: Fastenings and tie wires shall have no sharp edges at points of contact with conductors, and shall be applied in such a manner as not to damage the conductor.  The materials and minimum sizes of tie wires for the various sizes and types of conductors shall be as shown in Table 7.  Flat tie wire having a cross-sectional area not less than that of round wire of the gage specified for tie wires may be used.

 

Table 7

Size and Material of Tie Wires

Line conductor

Tie Wire

Material

Size

Size

Material

Copper, bronze, copper-covered steel, or composition of any of them

6 AWG and smaller

Same as line conductor

Soft copper or annealed copper-covered steel

4 AWG

6 AWG

2 AWG and larger

4 AWG

Galvanized iron or galvanized steel

10 BWG and smaller

Same as line conductor

Soft or galvanized iron or galvanized steel

9 BWG

10 BWG

8 BWG

9 BWG

4 and 6 BWG

8 BWG

Aluminum or ACSR

4 AWG and smaller

Same as line conductor

Soft aluminum or aluminum alloy

Or 6 AWG

Strong aluminum alloy*

2 AWG and larger

4 AWG

Soft aluminum or aluminum alloy

Or 6 AWG

Strong aluminum alloy*

 

*Minimum tensile strength of 350 pounds.