Original Version
Rule 54.4-D8b
54.4-D8b) More than 7500 Volts: A single conductor
of a circuit of more than 7500 volts may be attached directly to the top
of a pole or to a crossarm at the top of a pole at a distance less than as
specified in Table 1, case 8, provided no transformer or other apparatus
(excepting pole-top switches or lighting arresters) carried on the pole is
connected to the circuit so arranged.
Where this construction is used, all conductors of other circuits on the
pole shall be not less than 6 feet below the pole-top conductor except that
in rural districts the conductors of a 0-750 volt secondary circuit may be
not less than 4 feet below the conductor level of such a primary circuit
by means of which the secondary is supplied.
Dead ending of a conductor at top of pole under these provisions is optional
with dead ending under the requirements of Rule 54.4-D7b.
Strikeout and Underline Version
Rule 54.4-D8b
54.4-D8b) More than 7500 Volts: A single conductor
of a circuit of more than 7500 volts may be attached directly to the top
of a pole or to a crossarm at the top of a pole at a distance less than as
specified in Table 1, case 8, provided no transformer or other
apparatus (excepting pole-top switches or lighting arresters)
carried on the pole is connected to the circuit so arranged. Except lighting
arresters, a pole-top switch, or a transformer. Where a transformer
is connected to a circuit so arranged, a vertical clearance of not less than
30 inches shall be maintained between the primary conductor directly above
and the Unenergized metal parts of the transformer, as specified in Rule
58.3-B3e.
Where this construction is used, all conductors of other circuits on the
pole shall be not less than 6 feet below the pole-top conductor except that
in rural districts the conductors of a 0-750 volt secondary circuit may be
not less than 4 feet below the conductor level of such a primary circuit
by means of which the secondary is supplied.
Dead ending of a conductor at top of pole under these provisions is optional
with dead ending under the requirements of Rule 54.4-D7b.
Final Version
Rule 54.4-D8b
54.4-D8b) More than 7500 Volts: A single conductor
of a circuit of more than 7500 volts may be attached directly to the top
of a pole or to a crossarm at the top of a pole at a distance less than as
specified in Table 1, case 8, provided no apparatus carried on the pole is
connected to the circuit so arranged except lighting arresters, a pole-top
switch, or a transformer. Where a transformer is connected to a circuit
so arranged, a vertical clearance of not less than 30 inches shall be maintained
between the primary conductor directly above and the Unenergized metal parts
of the transformer, as specified in Rule 58.3-B3e.
Where this construction is used, all conductors of other circuits on the
pole shall be not less than 6 feet below the pole-top conductor except that
in rural districts the conductors of a 0-750 volt secondary circuit may be
not less than 4 feet below the conductor level of such a primary circuit
by means of which the secondary is supplied.
Dead ending of a conductor at top of pole under these provisions is optional
with dead ending under the requirements of Rule 54.4-D7b.