See more clothes dryers are usually sold without power cords attached, and as annoying as that may be, there's a good reason for this omission. The old cords had three-prong plugs that fit three-slot wall outlets. In three-prong cords, there were two hot wires, with the third wire serving as both the neutral and the ground connection.
Instructions
To make this work, the dryer was configured so that the chassis' ground hookup was "jumpered" to the neutral connection by means of a cord metal strap in the connection box. All this changed with the code revision, where new installations required that dryer outlets must be wired to accept four-prong cords, with separate neutral and ground dryer. This also required a slightly different configuration in the dryer's connection box, in which the neutral and ground terminals were no longer jumpered together.
This configuration slightly improves the protection against shock, since the machine's chassis now has its own grounding pathway. The NEC and most local building codes still permit the use of three-prong dryer see more in houses that have the old style of dryer outlet.
And since your dryer might be older or newer than your outletdryer manufacturers don't bother giving you an appliance cord because it might not work for your situation. That's why the cords are sold separately. This project shows you how to install a new four-prong dryer cord for use with a four-slot outletwhich has been the standard for more than 20 years.
Alternatively, if your house has an old three-slot dryer outlet, you can install a three-prong dryer cord on your new dryer to make it compatible with a three-slot dryer outlet. Locate the electrical cover plate on the back of the dryer. Using a screwdriver or nut driver, remove the screws on the cover plate. Remove the plate from the dryer to expose the wiring terminal block for the cord connections.
Set the plate and screws aside. Insert the dryer cord into the hole near the terminal block. Secure the green cord wire under the ground screw on the dryer body. Tighten the ground screw firmly with the screwdriver or nut driver.
How to Install a Dryer Electrical Cord
There should be no wire or metal tab connecting the ground screw to the center neutral terminal on the terminal block. If there is, the dryer is set up for a three-prong cord. You must remove this connection, following the dryer manufacturer's how. Connect the remaining three cord wires to the terminals on how terminal block. Start by connecting the white cord wire to the center neutral terminal on the block. Then, connect the black cord wire to the terminal at the left or right of the center terminal; the left and right terminals are the hot terminals and are interchangeable.
Finally, connect the red cord wire to the remaining hot terminal. Tighten all terminal connections firmly, using the screwdriver or nut driver.
Install a new strain-relief fitting to secure the cord where it enters the dryer panel. These fittings typically have a top and bottom half. Remove the screws from the fitting and separate the two halves. Insert the tab of each half into the dryer cord hole, so it is flat against cord inside of the dryer panel.
Fit the two halves over the cord and reinstall the fitting's screws. Tighten the screws so the cord is held firmly, but make sure the fitting does not deform the cord or pinch the insulation. Set the cover plate into place over the multilingual service block, and secure it with its mounting screws.
What You'll Need
Make sure all dryer controls are off and plug in the dryer to the four-slot outlet. Turn on the dryer and test it for proper function.
If you happen to have an please click for source three-slot dryer outlet, the electrical dating online site com cherryblossoms does allow you to install a three-prong cord to fit dryer outlet.
The installation process is how the same as four-prong cords with one exception:.
In the dryer's wire connection box, there must be hookup metal jumper between the center neutral terminal and the ground hookup. NC Amendment Project Overview. Materials UL-listed, four-prong dryer cord must match amp rating for dryer and outlet; most are amp Strain-relief fitting must be dryer appropriate size and shape for the cord.
Tip There should be no wire or metal tab connecting the ground screw to the center neutral terminal on the terminal block. Tip Make sure to connect the dryer's vent duct more info using the dryer to dry clothes. Article Sources. The Spruce uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles.
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