article 215 (1pg 7q)

Question 1

the feeder conductor ampacity shall not be less than that of the service-enterance conductors where the feeder conductors carry the total load supplied by service conductors with an ampacity of _______or less

Answer 1

55 A

215.2(A)(2)

Question 2

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)

Answer 2

TRUE

215.2(A)(3)

Question 3

when a feeder supplies ________ in which equipment grounding conductors are required, the feeder shall include or provide an equipment grounding conductor

Answer 3

branch circuits

215.6

Question 4

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

Answer 4

orange

(on every test)

Question 5

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

Answer 5

the disconnect is rated 1,000A, 480V

Question 6

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 the feeder

Answer 6

supply

215.10 (exception 2)

Question 7

where a premises wiring system contains feeders supplied from more than one nominal voltage system, each ungrounded conductor of a feed shall be identified by phase and system by ________, or other approved means

Answer 7

any of these:

-color coding
-marking tape
-tagging