The Wiring Methods Allowed for Underground Service Entrance Installations Are

question 45

Multiple Choice

The wiring methods allowed for underground service entrance installations are listed in Section 230.30(B) .They include rigid metal conduit (RMC) , intermediate metal conduit (IMC) , __________, and USE conductors or cables.

• A) rigid PVC conduit (PVC)
• B) Type NM cable
• C) Type AC cable
• D) electrical metallic tubing (EMT)

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Definitions:

Marginal Product

The additional output resulting from the use of one more unit of a production input.

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