Flexible Conduit Wiring
#1
Member
Thread Starter
Join Date: Apr 2001
Location: USA
Posts: 69
Upvotes: 0
Received 0 Upvotes
on
0 Posts
Flexible Conduit Wiring
Hi,
I need to wire the compressor unit on some new HVAC equipment for my basement. Its needs 20A 220V service. I ran NM 12-3 w/ground to the disconnect box. I need to run flexible conduit from the disconnect to the compressor, and I've never worked with conduit before.
I picked up a 6' kit, complete with the connectors, o-rings, etc. Installing it seems pretty simple. Here's my question. What do I pass through the conduit? Do I just run the 12/3 w/ground NM, white sheath and all? Or, am I supposed to strip the sheathing off? Or, do I need special wire for this application?
Thanks for your help.
I need to wire the compressor unit on some new HVAC equipment for my basement. Its needs 20A 220V service. I ran NM 12-3 w/ground to the disconnect box. I need to run flexible conduit from the disconnect to the compressor, and I've never worked with conduit before.
I picked up a 6' kit, complete with the connectors, o-rings, etc. Installing it seems pretty simple. Here's my question. What do I pass through the conduit? Do I just run the 12/3 w/ground NM, white sheath and all? Or, am I supposed to strip the sheathing off? Or, do I need special wire for this application?
Thanks for your help.
#4
Member
Thread Starter
Join Date: Apr 2001
Location: USA
Posts: 69
Upvotes: 0
Received 0 Upvotes
on
0 Posts
Thanks...
I'm a tad bit confused about the raceway in the raceway bit. Let me clarify my application...
I'm running the NM from the load center, through the house, through the exterior wall, and into the back of the disconnect box ( the disc. box is mounted outside, on the siding, next to the compressor unit). The watertight flex conduit has nylon connectors. One side of the connector threads into the conduit. The other side is threaded, and inserts, with an o-ring, through the knockouts in the bottom of the disconnect box and compressor housing. Its secured with a nylon nut.
I'm confused about the bushing discussion.
I'm just trying to get the wire in place - the HVAC guy will make the connections. Personally, if I'm allowed to, I'd just like to take of the sheath and run the 3 wires + ground, but I wasn't sure if I was allowed to.
As always, your help is appreciated.
...Mike
I'm a tad bit confused about the raceway in the raceway bit. Let me clarify my application...
I'm running the NM from the load center, through the house, through the exterior wall, and into the back of the disconnect box ( the disc. box is mounted outside, on the siding, next to the compressor unit). The watertight flex conduit has nylon connectors. One side of the connector threads into the conduit. The other side is threaded, and inserts, with an o-ring, through the knockouts in the bottom of the disconnect box and compressor housing. Its secured with a nylon nut.
I'm confused about the bushing discussion.
I'm just trying to get the wire in place - the HVAC guy will make the connections. Personally, if I'm allowed to, I'd just like to take of the sheath and run the 3 wires + ground, but I wasn't sure if I was allowed to.
As always, your help is appreciated.
...Mike
#8
Great example of the need for national proof of knowledge inspector certicication testing being passed before a person can be appointed as an AHJ !
John Nelso Another New Story for you;
I recently ran into a fire inspector legal guru advisor that ruled that a business could not open for business because they did not meet the fire exit rules of the UBC. The ruling as I heard it from that guru personally was that you must reduce the size of an existing 8'X8' cased opening serving as an emergency exit to the outside of the building that went straight into an open driveway from a 100' X 40' commercial building. In order for the fire inspector to approved the use of the building the owner would have to frame in that 8' X 8' cased opening to a 44" X 6' opening with a self closing door that has a quick release mounted on the inside of that new door so that people can quickly get the door open in case of an emergency.
Why in the world would anyone think that it would be safer to make a smaller opening where a door must be opened to get out in case of an emergency rather than an 8' x 8' open hole in the wall to the outside?
I still am trying to figure where the thinking was on that ruling, of a legal guru that represented as the legal advisor to a State Government.
Proof of passing test don't seem to work either, at times, common sense must come into play also.
Wg
John Nelso Another New Story for you;
I recently ran into a fire inspector legal guru advisor that ruled that a business could not open for business because they did not meet the fire exit rules of the UBC. The ruling as I heard it from that guru personally was that you must reduce the size of an existing 8'X8' cased opening serving as an emergency exit to the outside of the building that went straight into an open driveway from a 100' X 40' commercial building. In order for the fire inspector to approved the use of the building the owner would have to frame in that 8' X 8' cased opening to a 44" X 6' opening with a self closing door that has a quick release mounted on the inside of that new door so that people can quickly get the door open in case of an emergency.
Why in the world would anyone think that it would be safer to make a smaller opening where a door must be opened to get out in case of an emergency rather than an 8' x 8' open hole in the wall to the outside?
I still am trying to figure where the thinking was on that ruling, of a legal guru that represented as the legal advisor to a State Government.
Proof of passing test don't seem to work either, at times, common sense must come into play also.
Wg