Any electricians in here?
Ok, I dont have this heater yet, but i am thinking about buying it for my garage if i can make it work.
Right now my garage is cold in winter and I like to work in there. Those small 110v heaters suck. I dont have 220v service in the garage and right now our main panel is full downstairs so adding a sub panel would be some work and don't really want to go with that right now.
This is the heater i wanted to use:

Notice it is a 3 prong plug. I wanted to see if it would work in the dryers receptical. The washer and dryer are right beside the garage in a little room, and the cord would be long enough to plug in where the drier does and reach into the garage.
Problem is the dryer's receptical is a 4 prong setup.
like this:

Is there a way I can wire up a mini extension cord that plugs into the 4 prong dryer outlet and has the 3 prong outlet on the other end for the heater?
both are the same voltage so im wondering what the 3 and 4 prong diff is
thanks.
Right now my garage is cold in winter and I like to work in there. Those small 110v heaters suck. I dont have 220v service in the garage and right now our main panel is full downstairs so adding a sub panel would be some work and don't really want to go with that right now.
This is the heater i wanted to use:

Notice it is a 3 prong plug. I wanted to see if it would work in the dryers receptical. The washer and dryer are right beside the garage in a little room, and the cord would be long enough to plug in where the drier does and reach into the garage.
Problem is the dryer's receptical is a 4 prong setup.
like this:

Is there a way I can wire up a mini extension cord that plugs into the 4 prong dryer outlet and has the 3 prong outlet on the other end for the heater?
both are the same voltage so im wondering what the 3 and 4 prong diff is
thanks.
Guest
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There may be a special adapter you can pick up for it somewhere...havent seen one though.
Basicaly your heater plug has 2 hots (2 flat terminals) and a ground pin (round pin). The receptical has the same 2 hots (the left and right pins in the pic) a neutral (bottom center pin) and a ground (round pin on top).
Simplest thing to do would to go to the hardware store and buy the proper receptical, and swap it out. It will work fine, just do not hook up the neutral. The red and black wires will be the hots, and the white wire will be the neutral, just cap it off with a marrette. Be sure not to overload the breaker, unlikely if it is a dryer circut.
[ November 01, 2004, 11:36 PM: Message edited by: Kilowatt ]
Basicaly your heater plug has 2 hots (2 flat terminals) and a ground pin (round pin). The receptical has the same 2 hots (the left and right pins in the pic) a neutral (bottom center pin) and a ground (round pin on top).
Simplest thing to do would to go to the hardware store and buy the proper receptical, and swap it out. It will work fine, just do not hook up the neutral. The red and black wires will be the hots, and the white wire will be the neutral, just cap it off with a marrette. Be sure not to overload the breaker, unlikely if it is a dryer circut.
[ November 01, 2004, 11:36 PM: Message edited by: Kilowatt ]
I just bought a similar heater, wired my garage for 220 and used a 3 pronger.
However:
You can change the heaters plug to the same as the dryer (4 prong)there's no difference between 3 and 4 prong, they're both 220, just different styles. Canadian tire or your local appliance center can hook you up.
When using the dryer just unplug your heater, because they both will now have the same end.
Done deal.
[ November 02, 2004, 11:52 AM: Message edited by: SQLStephen ]
However:
You can change the heaters plug to the same as the dryer (4 prong)there's no difference between 3 and 4 prong, they're both 220, just different styles. Canadian tire or your local appliance center can hook you up.
When using the dryer just unplug your heater, because they both will now have the same end.
Done deal.

[ November 02, 2004, 11:52 AM: Message edited by: SQLStephen ]
Guest
Posts: n/a
Haha...just re-read the post, yeah, changing the plug end would be your best bet if you are running the cord inside to the dryer receptical. Same should apply though, the red and black wires will be the hots (left and right pins), and the green will be ground (round pin on top). The bottom flat pin will be left unhooked.
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