Original Version
Rule 54.4-D2
54.4-D2) Center Line Clearances For 750 Volts and
Above: The clearances referred to in Table 1, Case 8 Columns E and
F, apply as follows with respect to voltage.
|
750-7500volts |
15 inches |
|
7500-46,000 volts |
18 inches |
|
46,000 volts and above |
18 inches plus ½ inch per kV in excess of 46kV |
These clearances from center line of pole need not apply to conductors of
750-7500 volts and 7500-20,000 volts supported in vertical configuration
in partial underground distribution provided: a) such conductors have clearances
from surface of pole of not less than 6 inches, b) in tangent construction,
conductors so supported are not attached to more than one side of pole, and
c) in dead-end construction conductors so supported are not attached to more
than three sides of a pole (there being four sides, see App. G, Fig. 88).
Strikeout and Underline Version
Rule 54.4-D2
54.4-D2) Center Line Clearances For 750 Volts
and Above: The clearances referred to in Table 1, Case 8 Columns E
and F, apply as follows with respect to voltage.
|
750-7500volts |
15 inches |
|
7500-46,000 volts |
18 inches |
|
46,000 volts and above |
18 inches plus ½ inch per kV in excess of 46kV |
These clearances from center line of pole need not apply to conductors of
750-7500 volts and 7500-20,000 21,000 volts supported
in vertical configuration in partial underground distribution provided: a)
such conductors have clearances from surface of pole of not less than 6 inches,
b) in tangent construction, conductors so supported are not attached to more
than one side of pole, and c) in dead-end construction conductors so supported
are not attached to more than three sides of a pole (there being four sides,
see App. G, Fig. 88).
Final Version
Rule 54.4-D2
54.4-D2) Center Line Clearances For 750 Volts
and Above: The clearances referred to in Table 1, Case 8 Columns E
and F, apply as follows with respect to voltage.
|
750-7500volts |
15 inches |
|
7500-46,000 volts |
18 inches |
|
46,000 volts and above |
18 inches plus ½ inch per kV in excess of 46kV |
These clearances from center line of pole need not apply to conductors of
750-7500 volts and 7500-21,000 volts supported in vertical configuration
in partial underground distribution provided: a) such conductors have clearances
from surface of pole of not less than 6 inches, b) in tangent construction,
conductors so supported are not attached to more than one side of pole, and
c) in dead-end construction conductors so supported are not attached to more
than three sides of a pole (there being four sides, see App. G, Fig. 88).