You recently transferred to a plant with high rates of circuit board failure. Last week, a manufacturer's rep asked, "Are you using these for fuses over there?" The worst news came yesterday when a manufacturer said they had no spares left to send you. This means replacing the entire system, and that's a capital project headache you must fast track because the machine makes a part for a critical customer.
Your job depends on fixing this as quickly as possible. Where should you start?
Power quality problems are highly suspect here. Look for violations of the NEC Chapter 3 wiring methods and Art. 250, Part V, to solve them. One plant reduced astronomical rates of circuit board failure to zero. Among the solutions implemented were:
Can you locate the NEC requirements for these solutions? If not, you need to spend "power quality time" with the NEC.