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Re: [Amps] 4 wire 240VAC service? What to do now?

To: garyschafer@comcast.net
Subject: Re: [Amps] 4 wire 240VAC service? What to do now?
From: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 04 Apr 2011 17:23:22 -0600
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Is this OK?  I ran 3 wires (120v only) to a sub panel in building #2.  I
installed a ground rod at building #2 and grounded the sub panel.  I will
have to check to see if the neutral is connected to the sub panel ground.

Doug

>-----Original Message-----
>
>Jim,
>Your method #1:
>
>This method was allowed several years ago but NEC no longer allows this.
You
>must now run 4 wires to building #2 and NOT bond neutral and ground in
>building #2. that panel is treated as a sub panel and it also requires a
>ground rod in addition to the ground wire from the main panel.
>
>Under the old method as you describe neutral and ground would be bonded at
>the sub panel.
>
>Your Method #2:
>
>You say to run two hots and neutral. You didn't mention a ground wire. Did
>you mean to say that 4 wires would be run?
>If so then ok. However a local ground rod is STILL required at the panel in
>the 2nd building. The only time a ground rod is not required at a sub panel
>is when the sub panel is located in the same building as the main panel.
>
>73
>Gary  K4FMX

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