Good Afternoon!
I'm working with a customer and their contractor mounted a strut to a piece of switchgear to guide feeder cables into a piece of switchgear, opposed to continuing the cable tray (Canada). My questions is in regard to the bolts and nuts, which are anchoring the strut to the gear...
One of our transformers began to exhibit excessive vibrating and noise. We shut it down, and this is what we found (see photos). Has anyone ever experienced this before and what could be the cause...
I am new to the maintenance side of power systems and I'm trying to learn some quick steps for troubleshooting MCCB failures, i.e. square d 2000 RK1 failure. I'm trying to determine what could be the causes of this breaker failure. Any help is appreciated!