Indoor electrical installations over 1000 volts, nominal, that are open to unqualified persons shall be made with:

Select one:
a. Open switchgear with readily accessible live parts
b. Metal-enclosed equipment
c. Provisions to enclose the equipment within a barrier less than 8 feet high
d. The approval of both the I.B.E.W. and the authority having jurisdiction



Answer :

Final answer:

Indoor electrical installations over 1000 volts must utilize metal-enclosed equipment for safety.


Explanation:

Indoor electrical installations over 1000 volts, nominal, that are open to unqualified persons must be made with metal-enclosed equipment to ensure safety. Metal-enclosed equipment provides a barrier to protect individuals from exposed live parts and prevent potential accidents.


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