Forum Discussion

bka0721's avatar
bka0721
Explorer II
Jun 20, 2013

Installing a Blue Sea Disconnect SW for a FWS Battery Bank

Following the rule of always disconnecting the – (Neg) side first and then last when hooking back up, should this disconnect switch be installed in the – (Neg) line to break (switch) the load? I ...
time2roll's avatar
time2roll
Nomad
Jun 20, 2013
There is a hot and a ground. By convention we switch and fuse the hot. Ground is the frame.

Yes when removing a cable from the battery for service it is recommended to remove the negative first. The only reason is to prevent the wrench from conducting the positive terminal to the frame.

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