Question on grounding (at the rig) - longish.

Brian Carling bcarling at CFL.RR.COM
Tue Jul 11 09:04:03 EDT 2006


Seriously? This was surprising... I am not saying you are wrong,
BUT...

Putting a ferrite bead on a water pipe would violate WHAT 
regulations?

National Electrical Safety Code? State laws or what?

Just curious.

Date sent:      	Mon, 10 Jul 2006 19:12:24 -0700
From:           	Neil Morrison <neilsmorr at GMAIL.COM>
Subject:        	Re: Question on grounding (at the rig) - longish.
To:             	HEATH at LISTSERV.TEMPE.GOV
Send reply to:  	Neil Morrison <neilsmorr at GMAIL.COM>

> Although this is not an 'electrical' ground (i.e. part of the house wiring) 
> be aware that if it was, doing this would violate the regulations. It is 
> forbidden to put a choke in series with a ground. It is rarely a good idea.
> 
> Neil
> 
> ----- Original Message ----- 
> From: "Robert Myers" <rsmyers at ROGERS.COM>
> 
> > 4. Does anyone sell a giant snap on ferrite cylinder with a 1/2 in hole
> > in its centre that I could put over the cold water pipe, regardless of
> > where I attach the braid, so the very little RF (of the HF range) would
> > flow back in the 'upwards' direction should that also prove to be a
> > semi-good path to ground (it could flow that way even if it's not as
> > good as the typical 'direct' way back to the base of the city water feed
> > pipe.)
> 
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