Change List for this Rule

 

Original Version

Rule 91.4

 

91.4    Hardware

 

On jointly used wood poles or structures, hardware which is less than 3 feet above of 6 feet below unprotected supply conductors of 0-7500 volts shall be ungrounded.  Excepted from requirements of this rule are the following:

 

Hardware of risers treated as specified in Rules 54.6-E or 86.4-E;

 

Hardware of riser terminals treated as specified in Rule  54.6-F;

 

Hardware associated with grounded cables and messengers supported on crossarms provided such hardware has vertical clearances and pole clearances as specified in Table 1 and Table 2 for such cables and messengers;

 

Hardware associated with guarded cables and messengers which are treated as specified in Rules 57.4-F or 87.4-C3; and

 

Hardware associated with guys or extended messengers when installed as specified in Rule 86.6-B2.

 

Hardware which is required to be underground by any provision of this Rule 91.4 shall not be less than 1 inches from any grounded cable, messenger or hardware.


Strikeout and Underline Version

Rule 91.4

 

91.4    Hardware

 

For Grounded Hardware Requirements see Rule 54.4-G.

 

On jointly used wood poles or structures, hardware which is less than 3 feet above of 6 feet below unprotected supply conductors of 0-7500 volts shall be ungrounded.  Excepted from requirements of this rule are the following:

 

Hardware of risers treated as specified in Rules 54.6-E or 86.4-E;

 

Hardware of riser terminals treated as specified in Rule  54.6-F;

 

Hardware associated with grounded cables and messengers supported on crossarms provided such hardware has vertical clearances and pole clearances as specified in Table 1 and Table 2 for such cables and messengers;

 

Hardware associated with guarded cables and messengers which are treated as specified in Rules 57.4-F or 87.4-C3; and

 

Hardware associated with guys or extended messengers when installed as specified in Rule 86.6-B2.

 

Hardware which is required to be underground by any provision of this Rule 91.4 shall not be less than 1 inches from any grounded cable, messenger or hardware.

 

Final Version

Rule 91.4

 

91.4    Hardware

 

For Grounded Hardware Requirements see Rule 54.4-G.