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Old 11-14-2017, 10:02 AM   #21
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I've driven by jobs I did 15 years ago with no expansion joint and metal straps, and they are still fine, if sunfaded. I know it's OK, and you know it's OK, and BigSquirmy knows it's OK.... but the manufacturers on the code panels, and therefore the guy having "authority", say different.
Funny you mention that. I started using EMT outdoors because I found that after only a few years some of the 1/2" PVC runs I did up to motion lights (about 10-14' of pipe) were all squiggly.

Of course now there are possibilities of rust with EMT so who knows which is best.
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Old 11-14-2017, 10:14 AM   #22
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Funny you mention that. I started using EMT outdoors because I found that after only a few years some of the 1/2" PVC runs I did up to motion lights (about 10-14' of pipe) were all squiggly.

Of course now there are possibilities of rust with EMT so who knows which is best.
Yeah that's going to happen anyway. I always strapped the crap out of PVC to reduce it. I strap PVC more than Chicken Steve straps his service risers, but better looking.
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Old 11-14-2017, 01:50 PM   #23
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Funny you mention that. I started using EMT outdoors because I found that after only a few years some of the 1/2" PVC runs I did up to motion lights (about 10-14' of pipe) were all squiggly.

Of course now there are possibilities of rust with EMT so who knows which is best.
If rust is that much of a concern, could you use galvanize spray?
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Old 11-14-2017, 02:36 PM   #24
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Funny you mention that. I started using EMT outdoors because I found that after only a few years some of the 1/2" PVC runs I did up to motion lights (about 10-14' of pipe) were all squiggly.

Of course now there are possibilities of rust with EMT so who knows which is best.
This is why I'm curious why the OP, or anyone, would not use EMT
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Old 11-14-2017, 02:38 PM   #25
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This is why I'm curious why the OP, or anyone, would not use EMT
Cause i already had the pvc and everything else was already pvc so why not use it.

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Old 11-14-2017, 02:51 PM   #26
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PVC does require straps every 3 feet in this situation.

Other than that, no complaints.
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Old 11-14-2017, 03:01 PM   #27
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If rust is that much of a concern, could you use galvanize spray?
Sure. But I'm not sure if rust is that big of an issue where I am. Just a possibility.

I often see the straps rusted while the pipe is ok on other people's older work.
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Old 11-14-2017, 03:02 PM   #28
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This is why I'm curious why the OP, or anyone, would not use EMT
When I mentioned EMT I was talking about smaller stuff. For any type of service raceway I always use PVC, I've never used EMT for that.
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Old 11-17-2017, 06:57 PM   #29
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Sealing washers

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Did you do Myers hubs with sealing washers. I really like Myers hubs for entering and box in the top.

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Old 11-17-2017, 09:36 PM   #30
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Did you do Myers hubs with sealing washers. I really like Myers hubs for entering and box in the top.

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No just pvc male adapters with sealing washers. Worked great. I water tested after.

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