Got to thinking about ways to install an MBRF fuse block on a 2 battery house bank. There are a couple ways to do it.
Option 1: Install an MBRF fuse block on the positive terminal of each battery and run positive cable for each battery to same connection on back of battery switch. That is, the #2 terminal if the house bank is #2 on the switch. Option 2: Run positive cable from House Battery 1 to positive pole of House Battery 2 then install MBRF fuse block on top of that cable and pole. Then run single cable from the MBRF fuse block to battery switch. Option 2 saves you one MBRF fuse block. Option 1 protects cables from both batteries in the event one battery fails and all the draw comes from the remaining battery. Personally, I think Option 1 is preferred and is how I wired Touche's batteries. Not sure Option 2 would be ABYC compliant. Particularly if the cable from Battery 1 to Battery 2 is longer than 7 inches. Touche' also has MBRF fuse block on the start battery. Dennis C. Touche'
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