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Re: [TowerTalk] GRC vs. IMC

To: Steve Maki <lists@oakcom.org>
Subject: Re: [TowerTalk] GRC vs. IMC
From: Robie Elms <ruler55@gmail.com>
Date: Mon, 20 Feb 2017 18:30:09 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
IMC - intermediate metal conduit

RGC- rigid galvanized conduit

Robie - AJ4F

> On Feb 20, 2017, at 18:24, Steve Maki <lists@oakcom.org> wrote:
> 
> On 2/20/2017 19:07 PM, K7LXC--- via TowerTalk wrote:
> 
>>> Thanks, but my question  was not about tubing or masts.  My question was
>> about GRC vs. IMC for  mounting pipes.
> 
>>    Please elucidate what GRC and IMC are. I was unable  to google either
>> of them and get the answer.
> 
> What he's calling GRC is usually schedule 40 galvanized (either hot dipped or 
> electro-galvanized as you find in electrical supply stores).
> 
> The IMC is a thinner walled but stronger material that fencing supply places 
> have been touting and selling  for their top rail material. It's very good - 
> we use it routinely on commercial sites when hot dipped galvanizing is not 
> specifically specified :-) It's less expensive, so...why not?
> 
> -Steve K8LX
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