How To Calculate Fuse Size. A For back-up NEC. This way your load will be protected from electrical short-circuit.
How do you calculate fuse. Calculating the Fuse Size. The fuse size should be based on the SMALLEST wire in the circuit.
One common misconception about choosing the correct fuse size is that it depends on the load of the circuit.
Your LED bolts draw about 37 mA 12VDC so 4 of them draw 37 x 4 148 mA. Calculating the Fuse Size. Size of Circuit Breaker on Primary side of Transformer as per NEC 4503. Size of Circuit Breaker on Secondary side of Transformer as per NEC 4503.
