Question

In Class I, Division 1 locations, transformers, impedance coils, and resistors, along with any switching mechanism associated with them, shall be provided with enclosures identified for _____.

Answer 1

According to 501.105 (A) of the National Electrical Code (NEC), enclosures identified for Class I, Division 1 locations should be provided in Class I, Division 1 locations, transformers, etc.

What is the National Electrical Code (NEC)?

The National Electrical Code (NEC) can be defined as a regional standard that is adopted by various municipalities, cities and state, in order to ensure the safe installation of electrical wiring, machineries (equipment), transformers, impedance coils, and resistors in the United States of America.

Basically, the main purpose of the National Electrical Code (NEC) is to enable safe and effective electrical practices and installations in the United States of America.

According to 501.105 (A) of the National Electrical Code (NEC), the following location and equipment should be provided with enclosures identified for Class I, Division 1 locations:

• Class I equipment

• Division 1 locations

• Control transformers

• Impedance coils

• Resistors

• The switching mechanism

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