are plastic anchors legal

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rbbulldog

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I Work in chicago and was told today by a building engineer that I could not use plastic anchors to support my pipe or boxes? Is this correct are plastic anchors illegal? I cant find anything on this. I thought there was something that specified you can not use it for overhead supports but I cant even find that. And for that matter I cant find where it says lead anchors are illegal overhead, which I know that cant be done.
 
You won't find any requirement in the NEC, permissive or not.

As far as I know, there is nothing directly prohibitive in non-locally/reqionally-amended building codes either.

Construction specs may state otherwise, and building codes can be interpretted to disallow certain fasteners for particular purposes.
 
They used to say this about plastic and lead anchors back in the day due to the fire code and anchors melting. The NEC is silent on this issue.
 
I Work in chicago and was told today by a building engineer that I could not use plastic anchors to support my pipe or boxes? Is this correct are plastic anchors illegal? I cant find anything on this. I thought there was something that specified you can not use it for overhead supports but I cant even find that. And for that matter I cant find where it says lead anchors are illegal overhead, which I know that cant be done.

Plastic anchors are not legal in sheetrock. Is that what you are talking about. I believe the manufacturer states that info.
 
I was told once by an inspector that I couldn't use these things, but I'm weird, I wanted a code reference that said I couldn't and he couldn't produce one. Not that I particularly like these things for a lot of applications.
 
are plastic anchors legal ?

As I approach retiremet, I may have found a good fill-in job....
plastic anchor police
 
are plastic anchors legal ?

As I approach retiremet, I may have found a good fill-in job....
plastic anchor police

The same inspector that told me these can't be used also told me a 4 AWG GEC had to be bare or green. He allowed me the option of removing the black insulation on the GEC and I flattly declined his gracious offer. I was not about to weaken the conductor. I did phase it green and after he checked my code references he admitted that I didn't even have to that.
 
The same inspector that told me these can't be used also told me a 4 AWG GEC had to be bare or green. He allowed me the option of removing the black insulation on the GEC and I flattly declined his gracious offer. I was not about to weaken the conductor. I did phase it green and after he checked my code references he admitted that I didn't even have to that.

Like him, I am living proof that a "little bit of knowledge is a dangerous thing" :D
For most of us, an hour in the Code reveals something we didn't know.
That fact strengthens my thoughths that Mike's Forum is a valuable tool.
 
The same inspector that told me these can't be used also told me a 4 AWG GEC had to be bare or green. He allowed me the option of removing the black insulation on the GEC and I flattly declined his gracious offer. I was not about to weaken the conductor. I did phase it green and after he checked my code references he admitted that I didn't even have to that.

Next time show him this:

1113920706_2.jpg
 
I just gave him the EGC code and asked him if he beleived that applied to GEC's and why he would. We actually got along quite well after that. He appreciated somebody using code references. Everyone else in So. San Francisco was still scared of him but I really don't know why. All you had to do was address an issue using code and he was more than fair.
 
I just gave him the EGC code and asked him if he beleived that applied to GEC's and why he would. We actually got along quite well after that. He appreciated somebody using code references. Everyone else in So. San Francisco was still scared of him but I really don't know why. All you had to do was address an issue using code and he was more than fair.

Most every inspector I have run into has had the same SOP.
IMHO, they want to be challenged ~ it shows them that you know what you are doing....and if you do not challenge them, you are at their "mercy".

Is it right?
I don't really care...it has always worked in my favor and future inspections with that EI have always been friendly w/o any "incidents".
 
I actually appreciate a challange with a Code reference.
1. I have been shown to be wrong, and 2. If you and I both go to our Code book, one or both of us will learn something that we can refer to later.
 
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