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    Electrical Wiring Industrial
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    Exam 20: Hazardous Locations
  5. Question
    If a Stem Is Longer Than________in
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If a Stem Is Longer Than________in

Question 15

Question 15

Multiple Choice

If a stem is longer than________in., lateral braces must be placed within 12 in. (300 mm) of the luminaire, or an explosionproof flexible coupling must be used within 12 in. (300 mm) of the junction box.


A) 6
B) 10
C) 12
D) 14

Correct Answer:

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