A. Transformers must be installed per the manufacturer’s instructions, and their ventilating openings are not permitted to be blocked [Sec. 110.3(B)]. The required clearances from the ventilation ...
Q. What are the requirements when replacing nongrounding-type receptacles? A. If an equipment grounding conductor doesn’t exist in the outlet box, the existing nongrounding-type receptacles can be ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback