Article 215 - 2008

The feeder conductor ampacity shall not be less than that of the service-entrance conductors where the feeder conductors carry the total load supplied by service conductors with an ampacity of ____ or less.

55A

Dwelling unit or mobile home feeder conductors need not be larger than the service conductors and can be sized according to 310.15(B)(6). True or False

True

When a feeder supplies ____ in which equipment grounding conductors are required, the feeder shall include or provide an equipment grounding conductor.

branch circuits

Where a premises wiring system contains feeders supplied from more than one nominal voltage system, each ungrounded conductor of a feeder shall be identified by phase and system by ____ , or other approved means. a. color coding b.marking tape c. tagging d. any of these

d. any of these

On a 4-wire, delta-connected, three-phase system, where the midpoint of one phase winding is grounded, the conductor with the higher phase voltage-to-ground must be durably and permanently marked by an outer finish ____ color, or other effective means.

orange

Ground-fault protection of equipment shall not be required at a feeder disconnect if ground-fault protection of equipment is provided on the ____ side of the feeder and on the load side of any transformer supplying

supply

Ground-fault protection of equipment shall be required for a feeder disconnect if ____ .

the disconnect is rated 1,000, 480V