First Class 4 Prong Plug To 3 Wire Cord
However in new construction the installation of kitchen ranges and clothes dryers requires a 4 wire cord and plug.
4 prong plug to 3 wire cord. The 4th wire in that cord and plug configuration is an equipment grounding conductor. It is only new installations where the four slot dryer receptacles are required. This equipment grounding conductor is the missing wire in the older 3 wire configurations.
Free shipping by amazon. The other option is to replace the four prong cord with a three prong cord. Electric ranges like electric clothes dryers plug into special 240 volt outlets with either a three prong or four prong cord.
5 00 coupon applied at checkout. The purpose of the neutral wire on the 3 wire cord and plug setup. This is a job for an electrician and it brings the circuit up to code.
If the range requires only a 4 wire cord then a new 4 wire circuit will need to be installed if the existing circuit is a type nm cable because a separate white neutral wire is not allowed by itself. The difference is that in older appliance installations the legally installed 3 wire cord consisted of wiring that was configured with two hot wires and one neutral wire. Three prong cords and 3 slot outlets were once the norm but since 2008 article 550 16 a 2 of the national electrical code nec has stipulated that connections for electric clothes dryers must be made with a 4 conductor cord and 3 pole 4 wire grounding type plugs or by type ac cable.
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. Get it as soon as fri oct 9. Three prong may only ground the motor.
In an existing installation such as an older home built in the 1950s it is considered code compliant for the kitchen range or the clothes dryer to be installed using a 3 wire cord and plug. The fourth prong is to ground the body of the appliance. One is to replace the old circuit by installing new four wire cable and a four slot outlet each with a dedicated ground.