Relax, it's Only 48V - DC even!!

by Bruce Bergman

They don't mention that 4, 6, 8 strings of 2200- to 4500-AH wet batteries can dump a few million amps into a short - and then you add in 4, 6, 8 -54V 400A Float Chargers running. (We'll ignore the End Cells, that's only 6V)

Which is why You Don't Make A Short.

As you crawl into the Live Front Panelboard to add another 600A circuit with 4) 750MCM THHN in parallel - Gee, why do you have multiple layers of pressboard, cardboard and Rubber Blankets? Almost looks like you built a tunnel in there...

Do COE Power for the Phone Company, that'll teach you some respect for "Only DC."

Posted on Nov 3, 2017, 12:35 PM

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  1. I don't mess with high power DC. Dave H, Nov 3, 2017
    1. I worked for a large electric utility for a while. Kymation, Nov 3, 2017
    2. Not only doesn't DC let go..... beejay5169, Nov 4, 2017
      1. 3 phase AC too. Dave H, Nov 4, 2017


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