Dryer Power Cord 4 Prong Color Code
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.
Dryer power cord 4 prong color code. You may find yourself with either a 3 wire or 4 wire electric dryer or a 3 wire or 4 wire outlet. Existing homes may still use 3 prong outlets. The nec requires that dryers have a dedicated circuit with a minimum of 30 amps. How do i connect my 4 prong plug to this 3 prong dryer.
See an electric dryer installation with a typical 220 volt electric power cord wiring system. Lets look a how the electric dryer is wired and what to do if your cord does not match the plug. My old dryer which is broke has a 4 prong plug with a color code each wire is colored. There is no color code on the connecting wires.
The national electrical code currently requires 4 prong dryer outlets in all new home construction. The switch to a 4 prong outlet was due to a flaw in the 3 prong outlet design. I have a kenmore elite dryer that has a 3 prong plug. This configuration did not include a dedicated ground connection.
A 3 prong dryer cord was the standard for dryers prior to 2000. The dryer s equipment ground case ground was connected to the neutral conductor in the dryer cord and the household circuit. This link is helpful as a electrician electrical code. Dryer power cord 4 prong color code.
In recent years most dryer manufacturers have adopted the 4prong electrical cord over the dates 3prong model while they can both effectively power a traditional dryer the 4prong model contains an extra grounding wire as a preventive measure if the electrical wiring tied to your dryer malfunctions the voltage. Wiring for a 4 prong dryer receptacle.