Duquesne Light  

INSPECTION

The Customer shall have their electrical installation inspected and approved by one of the following authorities to certify that the premises wiring complies with the required codes and the Company's Service Installation Rules:

(a) The Bureau of Building Inspection when the property is in the City of Pittsburgh. The Customer shall obtain the services of an electrical contractor registered to perform work in the City, who will obtain a permit and request the approval.

(b) The authority designated by any applicable municipal ordinance when the property is outside the City of Pittsburgh.

(c) An electrical inspection agency, recognized by the Company, where municipal inspection requirements are not applicable.

The Company will inspect structural and electrical work in substations, vaults and pads for compliance with Company provided plans and service installation rules. Satisfactory evidence of the approval of the premises and service wiring by the inspecting authority having jurisdiction shall be presented to the Company before the installation is energized.

SERVICE GROUNDING

The Customer shall install service grounding at the service equipment in accordance with the National Electrical Code, the requirements of the inspecting authority having jurisdiction, and these service installation rules.

Services To Be Grounded

The service neutral shall be grounded by the Customer on service installations of the following types:

Phase  Wires Voltage

2 120

2 2,400
2 13,200
3 120/240
3 120/208
3 230/460
4 120/208
4 277/480
4 2,400/4,160
4 13,200/23,000

The Customer must furnish a properly sized grounding conductor from the primary circuit neutral, the transformer neutral grounding point or the service line neutral to a ground on the supply side of the service equipment. The grounding conductor shall be installed in the same conduit as the service-entrance conductors or in close proximity when there is no conduit.



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