Posted by John T on January 07, 2013 at 16:18:05 from (72.90.84.235):
In Reply to: OT 110 from 220 posted by Heyseed on January 07, 2013 at 10:32:00:
HARD TO BELIEVE how this is so simple and Buick and I have tried for years to educate some of you but theres still much confusion as posted below, let me try one more time lol
1) Under the old NEC for 120/240 volt single phase three wire service to an outbuilding, you could get by with running ONLY THREE WIRES 2 Hots, 1 Neutral, same as what comes to your house from the Utility.
2) Under the new rules for a safer installation, you run 4 wires, 2 hots, Neutral, Equipment ground. AND AT THE OUTBUILDING NEUTRAL AND GROUND ARE KEPT SEPERATE AND ISOLATED
3) Iffffffff you have 2 hots and a Neutral out there as under the old system ITS 240 LINE TO LINE BUT ONLY 120 LINE TO NEUTRAL SO YES YOU CAN GET 120 FOR A 120 VOLT LIGHT LINE TO NEUTRAL NOTTTTTTTTTTTTTTTTTTTTTTTTTT LINE TO GROUND
4) Iffffffff its 4 wires out there, you can still get 120 Line to neutral DUHHHHHH
5) EVERY buildings electrical service REQUIRES GROUNDING
WHAT YOU CAN NOTTTTTTT DO WITHOUT A POSSIBLE LIFE THREATENING HAZARD IS TO MIX N MATCH NEUTRAL AND GROUND OR SUBSTITUTE ONE FOR ANOTHER
FOR THE HUNDREDTH TIME
NEUTRAL is a GrounDED live current carrying conductor
EQUIPMENT GROUND is a non live (except for fault current) GroundING conductor used ONLY for carrying fault current NEVER for carrying Neutral return current
DO NOT feel bad if yall dont get this however, it cant be explained in a few paragraps what can take books and a ton of study and pactice and experienceto fully comprehend DONT TAKE MY WORD FOR IT, CONSULT THE NEC...Just remember Ground IS NOTTTTTTTTT THE SAME AS NEUTRAL
If in doubt consult a trained professional electrician or enginner and local utility and local authority and DO NOT place your life in a hazardous situation because of some Billy Bobs or Bubbas who wired their own homes over a cased of beer and are now experts (even no training ever) and by golly their method still works
PS did I forget to mention Neutral is NOTTTT freakin Ground and do NOT mix n match n substitute one for the other lest you wake uyp electrocuted and DEAD?????????
Gettin Frustrated but Im still tryin to help save a life maybe Ol John T Long retired electrical distribution engineer
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