Electric Dryer Wiring Size
Most electric dryers run on 240 volt power and draw 30 amps.
Electric dryer wiring size. You need beefier eight gauge wire for an industrial or heavy duty dryer that draws 40 or more amps of electric current. Electrical wire for the home. The wire size for an electric dryer circuit. In general a circuit that runs 15 feet to reach the dryer requires larger wire usually 8 gauge.
3 wire and 4 wire configurations for clothes dryers. Wire size for dryer the wire size for a 30amp dryer circuit is 10awg copper. The receptacle and wiring should be modernized to a 4 conductor arrangement instead. A 4 prong dryer outlet is wired as a 120 240 volt circuit.
Wiring for a 4 prong dryer receptacle. The minimum recommended wire size for clothes dryer circuits is 10 gauge. The nec requires that dryers have a dedicated circuit with a minimum of 30 amps. The 120 volt service is for the dryer s timers sensors and other electronics while the 240 volt service supplies power to the heating elements.
Lets look a how the electric dryer is wired and what to do if your cord does not match the plug. See an electric dryer installation with a typical 240 volt electric power cord wiring system. Conversion of these appliances in the u s. In that case you ll have to do the very simple procedure of converting a 4 wire dryer to a 3 wire setup.
You may find yourself with either a 3 wire or 4 wire electric dryer or a 3 wire or 4 wire outlet. However amperage decreases over distance so appliance manufacturers advise a larger wire gauge for circuits that extend beyond a distance from their source. Wiring a dryer for 3 wire and 4 wire cords. Electric dryer circuit cable the typical cable used for a dryer circuit is 10 3 type nm cable which has three insulated wires and a bare ground wire totaling four wires in all.
Lets look a how the electric dryer is wired and what to do if your cord does not match the plug. 10 gauge copper wire with thhn or thwn insulation is rated for 30 amps. Circuit wire size for an electric clothes dryer if the new electric dryer requires a 240volt 30amp circuit then the electrical circuit wiring requires a 10 gauge copper wire not a 12 gauge. The proper dryer wire size depends on the ampacity and when the current draw is 30 amps the wire should be 10 gauge.
See an electric dryer installation with a typical 240 volt electric power circuit and the dryer cord wiring system. You may find yourself with either a 3 wire or 4 wire electric dryer or a 3 wire or 4 wire outlet. Wiring a dryer wiring a 240v dryer.