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Thread Number: 50975
Appliance Ground Wire? |
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| Post# 732862 2/4/2014 at 17:06 (3,732 days old) by boboh1 (California) | ||
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On the back of my vintage washer and dryers there is a labeled grounding screw. Does this have to be connected to a cold water pipe or is it not really needed? | ||
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Post# 732867 , Reply# 1 2/4/2014 at 17:42 (3,732 days old) by turquoisedude  (.) |
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Unless the hookup wires for the washers and dryers have been changed to use a cord with a ground AND the grounding conductor of the hookup cord has been correctly attached to the appliance frame, don't take a chance and connect a sturdy ground wire to each appliance. We're a little fussy about grounding up here in Canada - three-wire cords for 120v appliances and four-wire cords for 240v appliances (dryers, ranges) have been the norm for over 40 years now...
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| Post# 732870 , Reply# 2 2/4/2014 at 17:54 (3,732 days old) by boboh1 (California) | ||
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The washer and dryer still have the original plugs. If the plug has only two prongs then not grounded. If three then it must have in the built in ground wire. I'll have to check and see how my machines are. Better safe then sorry to hook up ground wire I suppose. | ||
| Post# 733029 , Reply# 3 2/5/2014 at 11:33 (3,732 days old) by danemodsandy (The Bramford, Apt. 7-E) | ||
Ground 'Em!
Not just for safety - if you have a Maytag dryer with Electronic Control, the dryer actually requires grounding for proper operation.
Your local hardware store will have copper grounding wire, which is heavy-gauge, single-strand solid copper wire, and the correct ground clamps that fit onto the nearest cold water pipe. Cheap insurance. Here's a shot of my Almond 806 pair showing the ground wires running up the wall to the cold water pipe: 
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| Post# 733085 , Reply# 4 2/5/2014 at 14:35 (3,732 days old) by boboh1 (California) | ||
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Thanks Will ground them. Can you use the cold water pipe that goes to a hot water heater or the pipe that goes to the washer itself? | ||
| Post# 733101 , Reply# 5 2/5/2014 at 15:17 (3,732 days old) by danemodsandy (The Bramford, Apt. 7-E) | ||
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DON'T....
Don't use a cold-water supply pipe leading to the water heater. A properly-installed water heater has a grounding system necessary to its operation, and installing another ground in this area could conceivably interfere with the one for the water heater under certain conditions. BTW, this is true for both electric and gas water heaters, though the grounding system is different for gas.
The one leading to the washer is fine. | ||
| Post# 733809 , Reply# 6 2/8/2014 at 17:51 (3,728 days old) by DaveTranter (Central England) | ||
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@ turquoise Dude Not wishing to 'hijack' the thread, but... '4-wire cord'?? I'm fascinated!! Or is it a 'two-tap' type supply (Gnd-Neutral-120-240)??? Surely it can't be two separate earth connections??? Not even our ridiculously overcomplex regulations require that... All best Dave T | ||
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