SOURCE: changing four prong dryer to three prong outlet
use the ground on the machine.....There are 3 wires on the terminal block if you notice there is a grounding strap off the center post this will act as your ground to the machine back in your panel box the center post leads to ground anyway the other 2 are hot leads (240vac) use the 3 post you will be fine. you will be grounded let me know if you have any problems
SOURCE: three prong outlet with four prong cord from dryer
Click linl below
http://www.fixya.com/support/t1876622-three_prong_outlet_four_prong_cord_from
part number AP2615069
SOURCE: four prong plug to three prong plug
Kalola,
You can if you want to, but it's not generally necessary. Here's a picture of a 3 prong configuration with a ground strap...
That green wire with the yellow stripe is a ground and it is most definitely connected to the cabinet somewhere. So it will serve as the ground strap (in the above picture).
Here's the thing... say you were going from a 3 prong to a 4 prong. That is, the dryer was originally "designed" for a 3 prong. This means you'd have to "retrofit" it a bit. Take a look at this pic... ( I made this for someone else, so please disregard my somewhat hostile remarks, OK?)
The ground strap has been removed and has been replaced by the ground to the frame. Yours probably does NOT have a ground strap, though... yours uses that Green/Yellow wire for frame ground.
All of that to say this. Don't lose sleep over it. Ya done good.
SG
SOURCE: changing from a 3 prong to a four prong
Wiring in a new power cord for your electric dryer? Upgrading your electric dryer outlet from the old three-prong to the new four-prong outlet? Well, grab hold of those two large lumps at the base of your spinal cord and let's romp through the wild and wacky world of dryer cords and outlets.
These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one to the left here is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown to the right. These are just just thumbnail pictures that you can click for a larger view. But I'll bet you already figured that out, didn't you?
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.
If you need to re-wire the outlet, these pictures will explain the anatomy of the three-prong (left) and four-prong (right) outlets. Once again, these pictures are just thumbnails--click 'em for a larger view.
Sure hope this helps you find a resolution to your delimma! Best wishes.
SOURCE: our whirlpool Duet dryer has three prong plug and
Some local codes require a separate ground and neutral wire. You are probably in one of those areas. Just to keep things code compliant go ahead and replace the 3 prong with a 4 prong cord.
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