04.45 SERVICE CONDUCTORS
Current carrying capacities of entrance conductors shall be in accordance with the NEC The grounded conductor shall be permanently identified by a white covering or other approved method of identification. On three-phase installations, conductors shall be marked in the meter cabinet and at the service head as indicated on diagrams and as described below.
Services supplied 3-phase, 4-wire from Delta connected secondary systems shall have the phase conductor in the service entrance having the high voltage to ground identified at the service head, at the meter device and at the main switch. A permanent and effective means to provide proper identification shall be used. Application of orange plastic tape to the conductor is considered satisfactory permanent identification. See figure in Requirement 12.64.
In addition to the requirements of the NEC, GPU Energy requires the following:
THREE-PHASE, FOUR-WIRE, WYE Service.
The neutral wire shall be color coded white. The ground in the main switch must be
connected to an approved ground.
THREE-PHASE, FOUR-WIRE, DELTA Service Upgrades
These will be approved only under special conditions as outlined previously. The ground in
the main switch must be connected to an approved ground.
When multiple runs of service conductors are installed, each individual set of conductors shall be identified as to phase.
End of Specification:
Created: |
12/09/99 | |
Last Revised: |
12/09/99 |
