Divine Changing Three Prong Dryer To Four Prong

Due to changes in the national electrical code nec recommended wiring for electric clothes dryer outlets changed in 1996 before the change dryer outlets were 3 slot devices that accepted 3 prong cords.

Changing three prong dryer to four prong. My dryer a kenmore 110 66922501 is currently wired for 3. Old house has a 3 prong dryer cord outlet but my dryer has a 4 prong cord. This is the requirement for new construction or when a new clothes dryer circuit is installed but older installations are allowed to retain their 3 prong 3 slot dryer cord and outlet configurations.

The dryer s equipment ground case ground was connected to the neutral conductor in the dryer cord and the household circuit. This configuration did not include a dedicated ground connection. When changing to the 4.

Before the mid 1990s most electric clothes dryers operated with three prong plugs that fit into three slot outlets but since 1996 the electric code has required four slot outlets. I recently moved into a new house which accepts a 4 prong dryer cord. You may find that a newer dryer doesn t fit an older style outlet or that an older clothes dryer doesn t fit a newer outlet.

This green striped wire appears to terminate at a point on the chassis. Tools you will need buy milwaukee driver kit https amzn to 2o4qduxbuy phillips power bit https amzn to 2paletmbuy milwaukee screwdriver https amz. It is therefore somewhat rare that you would want to change a 4 prong cord on an electric dryer to a 3 prong cord.

I kept the cord when i rewire the house and my 220 outlet. As wired for 3 prong the neutral connection on the dryer has an additional green with yellow stripe wire attached. Basically all the 4th pro.

An alternative would be to ground the outlet separately to a metal stake driven into the ground or possibly to a suitable metal water pipe. So i had to change it.