#2 Al GEC with Bronze Pipe Clamps? - Page 3 - Electrician Talk - Professional Electrical Contractors Forum
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Old 11-13-2013, 05:15 PM   #41
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Well, call me a code breakin' hack and 'lectricute me, cause I am gonna keep on flyin my way.
Reminds me of the unlisted mc cable fiasco of the mid-90's.
Ya try to do right, follow code, help people out, build a rep, and then they hit ya right in the chops...
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Old 11-13-2013, 05:40 PM   #42
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I am curious about a couple of things in this thread. first about costs.
If I pay $0.75 a foot for copper and $0.26 for aluminum I make more money on the copper based on a %10 markup on materials. so I make $7.50 on 10 feet of copper wire or $2.60 on aluminum. Seems the more expensive the material the more markup I make and both cost the same to install. I don't really understand why anyone works their prices to remove profit? I get keeping costs down so buying 11 feet of wire when only 10 is needed is a cost control item not using aluminum and trying to cheat on the connector?
Second question is related to PVC and hubs. PVC has female adaptprs (FA)and male threaded connectors or terminal adaptors (TA) in Canada you may not screw a male threaded PVC connector into a metal threaded hub as the threads will eventually break off from expansion and contraction of the PVC. In order to terminate PVC on a metal hub we use a metal close nipple and a female threaded connector. Male PVC threaded fittings are only used with locknuts.
Can you screw a male threaded PVC connector into a hub in the US?
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Old 11-13-2013, 05:46 PM   #43
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Quote:
Originally Posted by DIYer4Life View Post
I order these mastic pads for $1.50 each (much better than the $5-6 that the supply houses want): https://www.platt.com/platt-electric...spx?zpid=50490

Then I just wrap it with wide tape.
Thank you
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Old 11-13-2013, 06:08 PM   #44
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Mshea:
According to Dennis and the others, we are not supposed to thread PVC male box connectors into threaded hub fittings, south of the border. No UL listing. But I think most of us do it.
And, I had never considered the PVC expansion vs metal aspect of the situation....thanks.
Weird you're allowed to do the inverse, though.
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Old 11-13-2013, 06:16 PM   #45
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Quote:
Originally Posted by Mshea View Post
I am curious about a couple of things in this thread. first about costs.
If I pay $0.75 a foot for copper and $0.26 for aluminum I make more money on the copper based on a %10 markup on materials. so I make $7.50 on 10 feet of copper wire or $2.60 on aluminum. Seems the more expensive the material the more markup I make and both cost the same to install. I don't really understand why anyone works their prices to remove profit? I get keeping costs down so buying 11 feet of wire when only 10 is needed is a cost control item not using aluminum and trying to cheat on the connector?
That whole thing of "if the material costs more, I make more" doesn't always work.

A residential customer doesn't know the difference and usually isn't going to pay the extra for something they don't understand or care about.

I am going to charge as much as I can for the job, while keeping my material costs as low as possible.

I'd rather charge as if I was installing copper, but install aluminum and save that unnecessary cost.

Quote:
Second question is related to PVC and hubs. PVC has female adaptprs (FA)and male threaded connectors or terminal adaptors (TA) in Canada you may not screw a male threaded PVC connector into a metal threaded hub as the threads will eventually break off from expansion and contraction of the PVC. In order to terminate PVC on a metal hub we use a metal close nipple and a female threaded connector. Male PVC threaded fittings are only used with locknuts.
Can you screw a male threaded PVC connector into a hub in the US?
The part that I underlined and made bold, is that really true? I've never seen it, out of what must be thousands of PVC services I have seen in my life (yes, I look at services when I drive down the street ).
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Old 11-13-2013, 06:22 PM   #46
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So, Dennis, if I use a close GRC with a female adapter, I would be good? Any listing problems?
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