Rose Posted May 26, 2008 Share Posted May 26, 2008 I'm getting ready to order 2 40 watt transformers and I was wondering what the difference is in the lead in wire with just a switch and the lead in wire with a switch and a fuse holder. With my other house's I didn't get a fuse holder. Should I? Does anyone use the one with the fuse holder? Quote Link to comment Share on other sites More sharing options...
christinee Posted May 26, 2008 Share Posted May 26, 2008 The fuse is used if your transformer doesn't have a circuit breaker in it. Some cir-kit transformers have circuit breakers. If anything happened that caused a sudden surge in electricity to the transformer, your transformer could be damaged. With a circuit breaker, breaker trips and the transformer is saved (like a breaker in your house). With a fuse, the fuse blows absorbing the jolt of electricity and the transformer is still saved. If you don't have a fuse/breaker for the transformer, you run the risk of damaging the transformer and possibly all kinds of other nasty things (possibly sparks, etc). To answer your question about getting a fuse holder, it depends. Does the transformer have a breaker in it? If so, you don't need the fuse holder. If it doesn't, you need the fuse holder. I used both, transformers with breakers in them and lead wires with fuses. It all depends on what you prefer. Transformers with breakers in them are a bit more expensive but worth it for the peace of mind that you don't have to worry about blowing a fuse. The ones without the breaker that need a fuse lead in wire are chepaer (by several dollars) but you have to worry about blowing a fuse and getting a replacement if that happens. It's a matter of personal preference I guess. Christine Quote Link to comment Share on other sites More sharing options...
judithfa Posted May 26, 2008 Share Posted May 26, 2008 If your transformers are made by Cir-Kit, the circuit breakers are built in. If you buy the "no-name" (house brand) transformers sold by HBS, you will need the lead-in wires with fuses! Quote Link to comment Share on other sites More sharing options...
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