Type NMC cable installed in shallow chases in masonry, concrete or adobe must be protected against nails or screws by a steel plate not less than _______ in thick and covered with adobe or similar finish:

Type NM cable must be secured within ______ of termination and at intervals not exceeding 4.5 feet:

Boxes for a luminaire in a ceiling must be designed to support a luminaire weighting a minimum of _________ :

Volume allowance required per 12 AWG copper conductor for box fill calculations is _____ cu in.

The ampacity of a conductor depends on the rate at which the heat dissipates into the ambient medium:

The diameter of grounding rod has a significant effect on the contact resistance of the earth:

Grounding electrode must have atleast ______  length in contact with the earth:

A common grounding electrode conductor must not be smaller than ______ AWG copper:

Metal parts of electrical raceways, cables, enclosures and equipment must be connected to the supply source via an effective ground fault path:

Feeder tap conductors in a circuit up to _______ long are permitted without overcurrent protection at the tap location:

A branch circuit for an appliance that is a continuous load must be rated less than ______ of the marked ampere rating of the appliance:

For appliances rated at not over _____, the branch circuit overcurrent device such as plug fuse or circuit breaker can serve as the appliance disconnect:

Once the rotor reaches rated speed the starting current reduces to the running current of the motor due to ______: