UNEC 500-514

Question 1

All areas designated as hazardous (classified) locations shall be properly ___ and shall be available to those authorized to design, install, inspect, maintain, or operate electrical equipment at these locations.

Answer 1

Documented

Question 2

Hazardous (classified) locations shall be classified depending on the properties of the ___ that could be present, and the likelihood that a flammable or combustible concentration or quantity is present.

Answer 2

(D) all of these - flammable liquid; flammable gases; combustible dusts

Question 3

It is frequently possible to locate much of the equipment in less hazardous or unclassified locations and thus reduce the amount of special equipment required.

Answer 3

True