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Tractor Talk Discussion Board

Respectfully Disagree SAFETY WARNING


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Posted by John T on April 06, 2012 at 06:45:48 from (216.249.82.117):

In Reply to: Re: clothes dryer 10 -3 wiring posted by Nancy Howell on April 06, 2012 at 05:47:11:

Sure it can work great,,,,,,,,HOWEVER I have to in good faith and conscience with your safety in mind disagree that you "got some "good" advice at Home Depot" iffffffffffffff (note MY IF) what they did was advise you to hook up a new 4 wire dryer using an old 3 wire branch circuit (again if thats indeed what they did???). Again SURE it can be made to work thats NOT the issue, the issue is life safety!!!!!!!!!!!!

NOTE if the new dryer has the equipment ground bonded to the metal frame but the Neutral is isolated from frame (as the case in a modern 4 wire) there has to be a return current conductor so the 120 volt loads work and ifffffffff they are working they must be getting their return curent path somewhere DUH so if theres only 3 wires to the dryer (if 2 hots and an equipment ground????) they have to be using the Equipment Ground to carry Neutral current NO NO !!!!!!!!

NOTE ALSO if the Equipment Ground IS NOT bonded to the dryers metal frame (but 120 loads can still work mind you) that can create a hazard but IF IT IS and if also the 120 volt loads are working (given only a 3 wire branch circuit) THEN THE DRYERS METAL CASE FRAME BECOMES A PART OF THE LIVE HOT NEUTRAL CIRCUIT (sure you want your wet barefoot grandkids to touch that???????????????)

SEE HOW ITS A LOSE LOSE PROPOSITION IN EITHER OF THE ABOVE ?????

If the branch circuit you used is only a three wire (iffffff (Note my if) it has 2 hots and an equipment Ground and NO Neutral) and iffffffffff the dryer has BOTH 120 and 240 volt loads, THAT MEANS YOURE USING THE EQUIPMENT GROUND TO CARRY NEUTRAL CURRENT AND THATS A DEFINITE NO NO AND A CODE AS WELL AS A SAFETY PROBLEM. The equipment ground (A GroundING Conductor) is intended to be a dedicated conductor to ONLY carry fault current NOT normal Neutral return current for 120 volt loads !!!!!!!!!!!!!!!

If you notice a branch circuits White Neutral (A GrounDED Conductor) IS AN INSULATED CONDUCTOR, its a live current carrying conductor and its insualted so you dont come in contact with a live current carrier. HOWEVER the Equipment GroundING Conductor is often bare HMMMMMMMMMMMMM thats because it normally carries NO CURRENT its a dedicated circuit for carrying FAULT CURRENT ONLY.

Would you scrape the insulation off the White Neutral wire in a circuit and let your child touch it ???????????? I doubt it buttttttttttttt if the Equipment Ground (the often bare or green wire) is used as the hot live current carrying conductor and if its bonded to an appliances outer metal case/enclosure (as the equipment ground is) IF YOU TOUCH THE APLIANCE (kind of hard NOT to do that ya know) thats in effect whay youre doing YOURE TOUCHING A LIVE CURRENT CARRIER just like if you removed the Neutrals insulation and touched it which I bet you dont do!!!!!!!!!!!!!

Soooooooooooo I dont meant to argure or fight ONLY to try and educate lay persons about a safety issue that may save their or their kids or grandkids life. Theres plenty of uneducated uninformed pencil necked lay geeks out there at Home Depot etc that may think they know it all and are giving "good" advice HOWEVER that dont means its true or accurate. I am a long retired electrical distribution design engineer and am rusty on this and sure dont know it all and could be wrong as rain HOWEVER ITS MY TRUE BELIEF AND I IN GOOD FAITH HAVE TO ADVISE FOLKS TO NOT CONFUSE NEUTRALS AND EQUIPMENT GROUNDS AND TRUST IN WHAT THE NATIONAL ELECTRICAL CODE EXPERTS ADVISE IF THEY DONT BELIEVE ME

Pleaseeeeeeeeee be safe and take the advice of the National Electrical Code EXPERTS versus whats said by me (although I sincerely believe Im correct) or the Home Depot clerks IT COULD SAVE A LIFE

God Bless yall, take care n be safe now

John T NOT to argue or fight but trying my best to avoid a potential hazard.....If it works great but can still kill you, DOES THAT MAKE IT OKAY?? You be the Judge, gonna trust the National Electrical Code EXPERTS (do NOT take my word for it) or the Geek at Home Depot????????? Think about it


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