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NM and NMC cable – 334

NM and NMC cable – 334

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Question 1 of 5

1. Question

What are the permitted uses of NM and NMC cables?

In one and two family dwellings and their attached or detached garages and storage buildings.
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In wet or damp locations only.
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In hazardous classified locations.
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Exclusively in commercial buildings.
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Question 2 of 5

2. Question

According to the video, what is the requirement for NM cable when it is installed in or passes through a floor?

Requires a protective bushing or adapter at the point of entry and exit.
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No specific protection is required.
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Must be enclosed in a flexible conduit
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Must be coated with a fire-resistant material.
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Question 3 of 5

3. Question

What is the maximum interval for supporting and securing nonmetallic sheath cable?

Every 4 and a half feet.
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Every 6 feet.
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Every 10 feet.
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Every 12 feet
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Question 4 of 5

4. Question

Why shouldn’t flat cables be stapled on edge?

You can damage the cable
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it won't look very nice
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your boss might get upset
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flat cables should never be stapled
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Question 5 of 5

5. Question

In the video, it is stated that NM cable must be installed based on which ampacity column in the NEC?

60 degrees Celsius column
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75 degrees Celsius column.
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100 degrees Celsius column.
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85 degrees Celsius column.
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