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Monday, April 2, 2018
Question:
Can I mount a corded step down transformer above a drop ceiling without containing it in a box?
Anthony Cardamone
A
Answer:
Hey Anthony thanks for your question. No, flexible cords are not allowed above suspended or dropped ceilings as stated in 400.12(5). The exception to that section allows flexible cords if they are in an enclosure that is suitable for use in Other Spaces Used for Environmental Air as allowed by 300.22(C)(3). The enclosure needs to be made of metal or if nonmetallic it must be listed for use in air-handling spaces and meet the other conditions in 300.22(C)(3).