240 Dryer Wiring
Guide to 120 240 volt wiring for a dryer circuit.
240 dryer wiring. The proper dryer wire size depends on the ampacity and when the current draw is 30 amps the wire should be 10 gauge. As you can see there is now an added dedicated neutral. How to wire an electric dryer. A 4 prong dryer outlet is wired as a 120 240 volt circuit.
Electrical wiring for a dryer power cord has a typical 240 volt electric power cord with 3 wire and 4 wire wiring configurations many people may experience the situation of trying to make a older dryer work with an new four wire receptacle. The nec requires that dryers have a dedicated circuit with a minimum of 30 amps. Dryer cord sets are 240v 30a and range cord sets are 240v 40a for use in the u s. Connect the cord set to the terminal block at the rear of the dryer.
The cord set selected should have only 3 wires line 1 line 2 and neutral. You ve noticed them behind your clothes dryer and electric range and beside your water heater and air conditioner. An electric dryer on the other hand heats the air with electric heating elements and runs on 240 volt current which requires a much different outlet receptacle and a special heavy duty appliance cord with a unique plug. But if you notice both the neutral and the ground wires both connect to the same ground bar inside the panel box.
I also purchased the three prong power outlet to install that fits this cord. Each of these outlets is a 240 volt outlet designed to supply more electrical power for your larger appliances through the 240 volt wiring and 240v single phase plug. 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. You need beefier eight gauge wire for an industrial or heavy duty dryer that draws 40 or more amps of electric current.
We have a ge electric dryer model dblr333eeeww says inside door 120 240volt 60hz and then under that 120 208v 60hz it has the nema 10 30r 30amp power cord already attached. The ground is now a dedicated wire also. This article will explain what options you have to get your dryer wired and running. One of the updates in the 1996 national electric code was to require grounding on 220 volt circuits such as dryer outlet wiring.
A gas dryer plugs into an ordinary 120 volt electrical outlet and it has a cord fitted with an ordinary appliance plug. Wiring for a 4 prong dryer receptacle. Most electric dryers run on 240 volt power and draw 30 amps.