During installation you can also refer to the insulation diagram provided for you located near the terminal.
Dryer power cord 4 prong installation.
Install the new 4 prong cord by inserting the loose wire end through the hole in the dryer s back panel and making the following connections.
The switch to a 4 prong outlet was due to a flaw in the 3 prong outlet design.
Remove the screws holding the terminal block access cover and pull off the excess cover.
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.
Wiring for a 4 prong dryer receptacle.
The nec requires that dryers have a dedicated circuit with a minimum of 30 amps.
Connect the white cord wire to the center neutral terminal.
A 4 prong dryer outlet is wired as a 120 240 volt circuit.
A 3 prong dryer cord was the standard for dryers prior to 2000.
Always remember safety is the number one thing.
Connect the new 4 prong cord.
Install a ul listed strain relief into the power cord through hole and then thread the three wire power cord through the strain relief.
The national electrical code currently requires 4 prong dryer outlets in all new home construction.
Installing a four prong cord to fit a four slot outlet if you have the related but opposite situation an older dryer with a three prong cord but a newer house with a four slot outlet it is equally easy to replace an old cord with a new four prong cord that will fit a four slot outlet.
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.
In todays video we are taking a look at how to install a 4 or 3 prong dryer wire.