Service Conductor Clearances on Buildings

Service conductors installed as unjacketed multiconductor cable shall have a minimum clearance of _____ ft from windows that are designed to be opened, doors, porches, stairs, fire escapes, or similar locations.

a) 3
b) 4
c) 6
d) 10

See answer and applicable Code reference

The correct answer is: a) 3

Article 230 covers service conductors and equipment for control and protection of services and their installation requirements. As specirically noted in Sec. 230.9(A), "Service conductors installed as open conductors or multiconductor cable without an overall outer jacket shall have a clearance of not less than 3 ft from windows that are designed to be opened, doors, porches, balconies, ladders, stairs, fire escapes, or similar locations."

 

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