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 ½ 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 ½ 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.