National Electric Code. (NEC) Articles, 424, 440. Electric Space Heating/ Airconditioning & Refrigerating Equip.

Branch-circuit conductors for fixed electric space-heating equipment and any associated motors shall be sized not smaller than _____ percent of the load.

125%.

A unit switch with a marked "_____" position that is part of a fixed space heater, and disconnects all ungrounded conductors, shall be permitted to serve as the required disconnecting means.

off.

Disconnecting means for air-conditioning or refrigerating equipment can be installed _____ the air-conditioning or refrigerating equipment, but not on panels that are designed to allow access to the equipment, and not over the equipment nameplate.

on or within.

The disconnecting means for air-conditioning and refrigerating equipment shall be readily accessible and not more than _____ ft from the air-conditioning or refrigerating equipment.

50ft.

Article _____ covers fixed electric equipment used for space heating including heating cables, unit heaters, boilers, central heating systems, or other fixed electric space-heating equipment.

Article 424.

The rules of Article _____, as applicable, shall apply to air-conditioning and refrigerating equipment that does not incorporate a hermetic refrigerant motor-compressor.

Articles 422 424 430

Branch-circuit conductors for fixed electric space-heating equipment and any associated motors shall be sized not smaller than 150 percent of the load.

False.

Article 440 applies to electric motor-driven air-conditioning and refrigerating equipment that has a hermetic refrigerant motor-compressor.

True.

Multi-motor and combination-load air-conditioning equipment shall be provided with a visible nameplate marked with the minimum supply circuit conductor ampacity, the maximum rating of the branch-circuit short-circuit and ground-fault protective device.

True.

Ground-fault circuit-interrupter protection for personnel shall be provided for cables installed in electrically heated floors of _____.

bathrooms. hydromassage bathtub locations. kitchens.

Where air-conditioning and refrigeration equipment is installed outdoors on a roof, a(an) _____ conductor of the wire type shall be installed in outdoor portions of metallic raceway systems that use compression-type fittings.

equipment grounding conductor.

Means shall be provided to simultaneously disconnect the _____ of all fixed electric space-heating equipment from all ungrounded conductors.

heater. motor controller(s). supplementary overcurrent device(s).