finally, we now have this:

Author	Message
TassyJim Guru Joined: 07/08/2011 Location: Australia Posts: 6623	Posted: 08:27pm 22 Nov 2024         Quote   Are there any Electricians that work with DC electrical? A lot of industrial control equipment is (or was) 125V DC. In my case it was power station ans EHV substation control panels. We had battery banks for 50V and 125V in an assortment of AH capacity and chemical makeups. As Phil said, any work near them requires great care