Service from meter to modular home

[meternerd]

I helped a friend (who had to go out of town on business) finish the wiring (underground) to his mother-in-law's modular home that was just delivered and set up. He got most of the wire connected from the meter disconnect at the meter pedestal to the house about 150 ft away. Used SER aluminum wire (200A) in 2" PVC conduit. I just finished hooking to the main disconnect and powered it up to test all of the house wiring. But...the inspector told his wife he'd have to "rip out all the wire" because he didn't use "Type W" wire. What is he talking about? Is there something I don't know about SER wire or modular home services? I was supposed to be the "expert".

 

[K8MHZ]

Type SE cable is not to be used underground, with or without a raceway. In my old book, 2008, it's 338.12(A)(2).

 

[infinity]

If the SER is in a raceway underground then the inspector is correct. You'll need a conductor type with a W like THWN or XHHW which is listed for wet locations.

 

[Knuckle Dragger]

I helped a friend (who had to go out of town on business) finish the wiring (underground) to his mother-in-law's modular home that was just delivered and set up. He got most of the wire connected from the meter disconnect at the meter pedestal to the house about 150 ft away. Used SER aluminum wire (200A) in 2" PVC conduit. I just finished hooking to the main disconnect and powered it up to test all of the house wiring. But...the inspector told his wife he'd have to "rip out all the wire" because he didn't use "Type W" wire. What is he talking about? Is there something I don't know about SER wire or modular home services? I was supposed to be the "expert".

This might be helpful to you.
http://forums.mikeholt.com/showthread.php?t=86929&page=4

 

[K8MHZ]

If the SER is in a raceway underground then the inspector is correct. You'll need a conductor type with a W like THWN or XHHW which is listed for wet locations.

What about USE?

 

[jumper]

What about USE?

You could use that for in the conduit outside, but it would have to be dual rated like RHW or THWN to go into the interior.

 

[GoldDigger]

If the SER is in a raceway underground then the inspector is correct. You'll need a conductor type with a W like THWN or XHHW which is listed for wet locations.

More correctly you need a conductor type which is rated for a wet environment, since the outside raceway is "wet", as is exposed or direct burial.
But not all wet-rated conductor types have a W in the designation.

 

[K8MHZ]

You could use that for in the conduit outside, but it would have to be dual rated like RHW or THWN to go into the interior.

Good point.