Extension cord help, what's an Amp anyway???
My garage is wired with 20 A dedicated outlets which I use for my woodworking tools. I am not a genius when it comes to electrical stuff, but I heard that having 20A dedicated outlets is good, even my table saw manufacturer says that the saw is rated at 15A, but having a 20A outlet is better. Does this mean that the saw can draw 20A? My question is about extension cords. I haven’t seen any that are rated at 20A. so can I not use a regular 15A rated extension cord for my tools? I wanted to get an extension cord and run a shop vac and my table saw at the same time. am I going to fry the cord or damage my tools or blow the breaker? What kind of cords should I buy, it doesn’t have to be long (< 25’). Any detailed explanation as to the “why” would be helpful, thanks.
Extension cord help, what's an Amp anyway???concertselectricity can be compared to a water pipe.....higher pressure is like higher voltage, it will puncture though an insulater easier, like 9 volts will not poke though your skin but 120 volts will .... amps is like the volume of water , like 10 amps being a half-inch water pipe and a hundred amps being a 2 inch pipe......that's where the similarities end.... amps create heat that melt the insulation on a wire if overloaded..... you need to look around more, there are 12 gauge extension cords, which is rated for the 20 amps.... your breaker may trip with both pieces of equipment running, if so, see if you can find a different circuit for the shop vac.
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