ECN Forum Forums General Topics of the Trade General Discussion Area Single phase meter on 3-phase system?

I figured that it would help to protect the instrumentation from possible spikes caused by the A/C compressor cycling on and off. There will be a UPS unit backing some of the more critical gear up, as well.

All the electronics are inside a NEMA 12 rack enclosure, with an air conditioner hung on the side of it to maintain the internal temperature. The equipment will be running 24/7/365 for at least the next few years.