The plant engineer at one of your company’s older plants just retired, and you received a promotion to take the vacated position. On your first day, you do some walking tours with various department heads. You notice several enclosures with unused openings not closed, and you see speaker wire cable-tied to EMT, violations of NEC Sections 110.12(A) and 300.11(B), respectively. Thinking this might be the tip of the iceberg, you make a mental note to conduct an electrical inspection.
Electrical Troubleshooting Quiz, Nov. 12, 2013
What should you do if the administration building storeroom is really hot, there’s a buzzing sound, and the room contains three 150kVA dry-type transformers?