Questions: Graded Quiz: Grounding, Wiring, and Raceway Systems Question 18 (5 points) The NEC requires that when liquid-tight, flexible metal conduit is used as a fixed raceway, it must be secured within inches on each side of each box, and at intervals not exceeding 4 1/2 feet. A) 18 B) 6 C) 9 D) 12

Graded Quiz: Grounding, Wiring, and Raceway Systems

Question 18 (5 points)

The NEC requires that when liquid-tight, flexible metal conduit is used as a fixed raceway, it must be secured within inches on each side of each box, and at intervals not exceeding 4 1/2 feet.
A) 18
B) 6
C) 9
D) 12

Transcript text: Graded Quiz: Grounding, Wiring, and Raceway Systems Question 18 (5 points) The NEC requires that when liquid-tight, flexible metal conduit is used as a fixed raceway, it must be secured within inches on each side of each box, and at intervals not exceeding 4 1/2 feet. A) 18 B) 6 C) 9 D) 12

Solution

The answer is B) 6.

Explanation for each option:

A) 18 - This is incorrect. The NEC does not specify 18 inches for securing liquid-tight, flexible metal conduit.

B) 6 - This is correct. According to the National Electrical Code (NEC), liquid-tight, flexible metal conduit must be secured within 6 inches on each side of each box.

C) 9 - This is incorrect. The NEC does not specify 9 inches for securing liquid-tight, flexible metal conduit.

D) 12 - This is incorrect. The NEC does not specify 12 inches for securing liquid-tight, flexible metal conduit.

In summary, the NEC requires that liquid-tight, flexible metal conduit be secured within 6 inches on each side of each box.

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