Good Lord Bob!.
I hope that that panel isn't subject to vibration of any kind.
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What is the solution, mate?.
Another thing, I prefer Heat-shrink to tape to identify Phases.
Tape can lose it's adhesion in warm conditions.
Kudos to Capt Al, thanks for for finding this one mate!.
![[Linked Image]](https://www.electrical-contractor.net/ubb/smile.gif)