Some people use red for negative on -48V systems.
I've got a -48V Alvarion Wimax thingamabob with a red and black pigtail
coming out the back and the red is clearly labeled negative.
So yeah, can't go by color unless you put that color there.
On 4/8/2019 3:31 PM, Christopher Tyler wrote:
Turns out the whole shelter's bus was wired backwards when we got it. Red is
negative and black is positive. Not sure what the ground is relative to, not
sure it really matters at this point but I'll check that out when I go out
there later myself.
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