NEC 725

question 9

Multiple Choice

NEC 725.136 ( A ) generally ____ Class 2 circuits in the same raceway or cable as the wiring for light and power.

• A)limits the number of
• B)limits the voltage of
• C)prohibits
• D)mandates

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Definitions:

Domain

The domain of a function is the set of all possible input values (usually x-values) for which the function is defined.

Real Numbers

All the numbers on the number line, including rational and irrational numbers, but not imaginary numbers.

Radical Expression

An expression that includes a radical symbol, which indicates the root of a number.

Simplify

The process of making an expression or equation easier to work with, by reducing it to its most basic form.