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What is the role of a fuse in series with any electrical appliances?
Wiki User
∙ 12y ago
The role of a fuse in series with any electrical appliances is to open the circuit should a current higher that the rating of the wire occur. When a device shorts out to ground there is a very high rush of current trying to return back to the distribution panel. It is comparative to when a welder strikes an arc in welding, the temperature created is enough to melt steel together. If this high current is not stopped in home wiring situations, then the insulation will melt off of the wire feeding the appliance and a fire could break out. The opening of the protective fuse prevents this situation from happening.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agothey have fuses because they need to get electricity from somewhere
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