ECN Forum Forums Code Related Discussion NEC & other Code issues SER Physical protection

I found it

This is how you do it. you type [ quote ] put in your quote then type [/ quote ]

Now I left spaces in the UBB code so you could see it, close the spaces up and it looks like the above quote.

Go here https://www.electrical-contractor.net/ubb/ubbcode.html for more info.

Bob

The text you are quoting clearly say "Insulated Color Coded conductors".The jacket doesn't count as insulated nor is it color coded. Sorry.

Bomzin
Every day on the way to and from I am passed by those who are driving over the speed limit. Just because they are not getting a ticket does not mean they aren’t breaking the law.

On the Mobile, Manufactured and Modular home the two rules that is being violated with the use of SER cable are 550.15 (H) and 550.33.

Before we look at 550.15 (H) let’s look at another section in 550.15.

the part of this section that is in bold says that if it is likely to be damaged by stowage it shall be protected. This is why in (H) it states or under-chassis wiring shall be protected. Most people use the space under the trailer for storage of lawn mowers and such.
Notice that the exception that is in bold allows the use of EMT or RNC if it is run against the frame.

None of this matters because of 550.33. Now when we read this section we need to pay close attention to the word insulated as this does not allow a bare conductor that is covered. The equipment grounding conductor in SER is bare and covered by the sheathing.

I have heard a lot of people say that they have been doing this for years and my reply is, “that doesn’t make it right.”
As I stated earlier in this post about speeding, one cop will let 7 MPH go while another will ticket at 5 MPH over.

Myself, if I were a traffic cop the ticket would come at one MPH over. Not only that but once I caught you I would be watching you from then on. I love my insurance companies.

Luckily the judges would quickly tire of you crowding their courtrooms and fix your 1 MPH enforcement.

That said SER is out under mobile homes, that is not just 1 MPH over. Looking at my NEC to traffic law converter I would say that is more like 25 over in a 30 zone.

Slightly off track...Crystal Lake, IL doesn't allow NM in branch circuits, but allows SER??? I must not have it right, because I'm thinking physical protection is an issue at 15 and 20-amp, 120-volt, but not at 200-amp, 240-volt??? It may have changed, but I've seen services with SER.

Dave

And why not?

SER is of course service entrance cable.

Iwire will you stop that if I laugh any harder my side will split.

The thing is many will not see any humor there.

Those that have grown up seeing only RMC services have a real problem accepting SE as anything more than big zip cord.

In this area SE, PVC and RMC are all used depending on the location, specifications or the installers preference.

Bob

Of course I didn't even crack a smile. It looks like a big zip-cord to me.

Dave

So what's so funny about that, Bob?