According to NEC, in the US:

You should run H-H-N-G to the garage.

Do NOT bond N to G in the garage.

Do provide a grounding rod at the garage connected to G via some heavy wire.

ie: your "A" is not only 'better', it is also 'right'.

Bob Ammerman
RAm Systems

----- Original Message -----
From: "Matt Redmond" <mdredmond@CHARTER.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, August 25, 2004 11:37 AM
Subject: [OT:] Wiring detached garage (reprise)


> Please no flaming about inspectors, etc... that we got off-topic on last
time (the 'what cable gauge?' discussion)!  I have another question about
wiring my detached garage - this one is about grounding.
>
> The way I read things, I have two acceptable choices when it comes to
grounding in the detached garage.  They are:
>
> (a) Run H-H-N-G from main panel to garage.  Do NOT bond N-G in the remote
panel.
>
> (b) Run H-H-N from main panel to garage.  DO bond N-G in the remote panel.
>
> In either case the garage gets its own earth ground.
>
> Any opinions on which is the 'betterer' approach.  Any advantages to one
over the other?  I'm already going to be running 3-conductor cable +
ground - any reason not to use (a)?
>
> Thanks!
>
> -matt redmond
>
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