NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

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Metal-clad switchgear (as used on 5 kV and 15 kV indoor distribution) is distinguished from simpler metal-enclosed interrupter switchgear by:

having no circuit breakers and no barriers drawout circuit breakers, grounded metal barriers between compartments, and insulated bus being legal only outdoors on wood poles operating only on 120/240 V services

Correct Answer:

drawout circuit breakers, grounded metal barriers between compartments, and insulated bus

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