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Original Version
Table 10
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Table 10: Minimum Allowable Clearance of Service Drops of 0 - 750 Volts from Buildings |
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Minimum Clearance from Buildings |
|
|
Weather Resistant Covered Conductors
0 - 750 Volts |
Insulated Conductors (Rule 20.8–G )
0 - 750 Volts |
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Vertical Clearances Above: |
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1) All portions of buildings including metallic or non–metallic cornice, decorative appendage, eaves, roof or parapet wall of the building served. |
8 Feet |
(a) (b) |
|
2) Metallic or non–metallic non–walkable overhang, patio cover. |
8 Feet |
(a) (b) |
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3) Other buildings on the same premises. |
8 Feet |
2 Feet |
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4) Buildings on other premises. |
8 Feet |
8 Feet (c) |
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Horizontal & Radial Clearances: |
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1) From fire escapes, exits, windows and doors. |
3 Feet |
3 Feet |
(a)
No limit specified but the greatest
practicable clearance should be obtained.
(b)
The point of attachment of the service drop
for industrial and commercial premises is not to be more than 18 inches back of
the front face of the building wall facing the pole line from which the service
drop originates.
(c) Reduce to 2 feet for non–metallic roofs, more than 3/8 pitch (approximately 37 degrees from horizontal, see sketch)
Strikeout and Underline Version
Table 10
|
Table 10: Minimum Allowable Clearance of Service Drops of 0 - 750 Volts from Buildings |
||
|
|
Minimum Clearance from Buildings |
|
|
Weather Resistant Covered Conductors
0 - 750 Volts |
Insulated Conductors (Rule 20.8–G )
0 - 750 Volts |
|
|
Vertical Clearances Above: |
||
|
1) All portions of buildings including metallic or non–metallic cornice, decorative appendage, eaves, roof or parapet wall of the building served. |
8 Feet |
(a) (b) |
|
2) Metallic or non–metallic non–walkable overhang, patio cover, or other structure. |
8 Feet |
(a) (b) |
|
3) Other buildings on the same premises. |
8 Feet |
2 Feet |
|
4) Buildings on other premises. |
8 Feet |
8 Feet (c) |
|
Horizontal & Radial Clearances: |
||
|
1) From fire escapes, exits, windows and doors. |
3 Feet |
3 Feet |
(a)
No limit specified but the greatest
practicable clearance should be obtained.
(b)
The point of attachment of the service drop
for industrial and commercial premises is not to be more than 18 inches back of
the front face of the building wall facing the pole line from which the service
drop originates.
(c)
Reduce to 2 feet for non–metallic
roofs, more than 3/8 pitch (approximately 37 degrees from horizontal, see
sketch) roofs when roof slope
exceeds 9 inches of rise per 12 inches of run (see sketch).
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Final Version
Table 10
|
Table 10: Minimum Allowable Clearance of Service Drops of 0 - 750 Volts from Buildings |
||
|
|
Minimum Clearance from Buildings |
|
|
Weather Resistant Covered Conductors
0 - 750 Volts |
Insulated Conductors (Rule 20.8–G )
0 - 750 Volts |
|
|
Vertical Clearances Above: |
||
|
1) All portions of buildings including metallic or non–metallic cornice, decorative appendage, eaves, roof or parapet wall of the building served. |
8 Feet |
(a) (b) |
|
2) Metallic or non–metallic non–walkable overhang, patio cover, or other structure. |
8 Feet |
(a) (b) |
|
3) Other buildings on the same premises. |
8 Feet |
2 Feet |
|
4) Buildings on other premises. |
8 Feet |
8 Feet (c) |
|
Horizontal & Radial Clearances: |
||
|
1) From fire escapes, exits, windows and doors. |
3 Feet |
3 Feet |
(a) No limit specified but the greatest practicable clearance should be obtained.
(b) The point of attachment of the service drop for industrial and commercial premises is not to be more than 18 inches back of the front face of the building wall facing the pole line from which the service drop originates.
(c) Reduce to 2 feet for non–metallic roofs, more than 3/8 pitch (approximately 37 degrees from horizontal, see sketch)
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