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How to calculate the rating of the FUSE and Cable size. please tell the steps?
Wiki User
∙ 14y ago
The calculations are worked backwards from the amps used by the load of the circuit. This will be used to select the correct size of the wire. Some stipulations are added depending of the ambient temperature, length from the supply or if the load is a motor. Fusing is then dependant on the wire size that is used.
Wiki User
∙ 14y ago
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