Tech Tip Class-T fuses vary in their physical dimensions. This block only works with fuses 110 Amps to 200 Amps. In order to meet its full ratings for continuous duty it needs to be used with 1/0 awg wire outside an engine space or 3/0 awg wire inside an engine space. This is because the wire helps to remove any heat buildup. For intermittent duty of less than 15 minutes it can be used with 2 awg wire. |