What Is the Minimum Trade Size LFMC Permitted for Two

question 2

Multiple Choice

What is the minimum trade size LFMC permitted for two 3 AWG and one 6 AWG THW copper conductors feeding a small motor control center?

• A) 1-1/4 in.
• B) 1-1/2 in.
• C) 2 in.
• D) 2-1/2 in.

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Definitions:

Specific Gravity

The ratio of the density of a substance to the density of a reference substance, typically water, at a specified temperature.

Volcanic Glass

A natural glass produced by the cooling and solidification of molten lava at a rate too rapid to permit crystallization.

Liquid Water

The liquid phase of H2O, existing at temperatures between 0°C and 100°C under standard atmospheric pressure, and vital for all known forms of life.

Minerals

Naturally occurring substances, usually inorganic, with a defined chemical composition and crystalline structure.