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Where equipment is installed outdoors on a roof, an equipment grounding conductor of the wire type shall be installed in outdoor portions of metallic raceway systems that use what type of fittings? (440.9)CorrectIncorrect
The ampere rating shall be at least ______ percent of the nameplate rated-load current or branch-circuit selection current, whichever is greater. (440.12(A)(1))CorrectIncorrect
What type of disconnecting means is allowed for cord-connected equipment such as room air conditioners, household refrigerators and freezers, drinking water coolers, and beverage dispensers? (440.13)CorrectIncorrect
The individual motor circuit conductors of wye-start, delta-run connected motor-compressors carry 58 percent of the rated load current. The multiplier of 72 percent is obtained by multiplying 58 percent by what number? (440.32 )CorrectIncorrect
When is Delayed tripping for temporary overcurrents sensed at the autotransformer overcurrent device shall be permitted for the purpose of allowing proper operation of branch or feeder protective devices on the 4-wire system? (450.5(A)(2)CorrectIncorrect
Dry-type transformers 1000 volts, nominal, or less, located in the open on walls, columns, or structures, shall _______________________________. 450.13(A)CorrectIncorrect