Rv Battery Disconnect Switch Positive Or Negative Side

Typically the battery disconnect switch is designed to disconnect the house batteries similar to pulling the negative cable off the battery so nothing can drain it when the unit is not in use or in storage.

Rv battery disconnect switch positive or negative side. I plan on installing a battery disconnect switch on our bc this spring when i bring it out of storage. Better quality ones have built in terminals for the alternator wire that are separate from the battery cable terminals. My first inclination was to put the switch on the negative leg of the circuit. Top post battery disconnect switch for auto car rv marine boat truck vehicle 12v 24v doctor knife switch for negative post battery cutoff shut off switch battery saver horizontal and vertical 4 6 out of 5 stars 233.

Does it make a difference. As i was considering this it came to mind that somewhere i had read and or heard that the switch in this type of circuit should be on the positive side. The negative cable connects to the body ground already so there s no additional danger if it rubs. As i was considering this it came to mind that somewhere i had read and or heard that the switch in this type of circuit should be on the positive side.

My first inclination was to put the switch on the negative leg of the circuit. When the switch is off the alternator is de energized too. It s the same principle as why you should always disconnect the battery s negative side first.