NEC® requirements must be adhered to when installing incandescent recessed lighting fixtures because they _____
a. are a fire hazard if installed incorrectly
b. may never come in contact with thermal insulation
c. must always be of the airtight type
d. must always be I.C. rated
a. are a fire hazard if installed incorrectly
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- 10x + 12 = 0.
Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?