Practice question

What is the significance of maintaining a proper 'conduit fill ratio' during cable installation?

It determines the color coding of the cables
The NEC limits conduit fill to prevent overheating, cable damage during pulling, and to allow future cable additions
It controls the signal timing accuracy
It determines the grounding requirements

Answer: B — The NEC limits conduit fill to prevent overheating, cable damage during pulling, and to allow future cable additions

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