Electric heating cable embedded in plaster, or “sandwiched” between layers of dry wall creates heat. Therefore, any nonmetallic-sheathed cable run above these ceilings and buried in insulation must have its current-carrying capacity derated according to _____ correction factors found in Table 310.15(B)(2)(a) of the NEC. A. 40 Celsius B. 50 Celsius C. 60 Celsius D. 70 Celsius
Electric heating cable embedded in plaster, or “sandwiched” between layers of dry wall creates heat. Therefore, any nonmetallic-sheathed cable run above these ceilings and buried in insulation must have its current-carrying capacity derated according to _____ correction factors found in Table 310.15(B)(2)(a) of the NEC. A. 40 Celsius B. 50 Celsius C. 60 Celsius D. 70 Celsius
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Electric heating cable embedded in plaster, or “sandwiched” between layers of dry wall creates heat. Therefore, any nonmetallic-sheathed cable run above these ceilings and buried in insulation must have its current-carrying capacity derated according to _____ correction factors found in Table 310.15(B)(2)(a) of the NEC.
A. 40 Celsius
B. 50 Celsius
C. 60 Celsius
D. 70 Celsius
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