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Conduit in Condo

10K views 19 replies 9 participants last post by  KennMacMoragh  
#1 · (Edited)
So, we are adding and modifying the electrical in a 1975 built condo. The thing is, everything is in FMC, I mean everything. Back boxes with mud rings and so forth.

To make it even better, the labels in the small GE panel don't exactly match the areas, for instance, the breaker marked Disposal, powers everything but the disposal. Breakers do the lights and outlets in various parts of the place without a whole lot of logic. Anyway, I'm going around taking switches and outlets apart looking for where they spliced to go to other areas.

I haven't seen residential with conduit throughout ever. Not even in my condo which was built in 1977. I do admit that I only do a few residential a year and they are newer. But I have done my share of knob and tube.

Anyone else out there see conduit throughout in a residential ? Other than some backwater places like Chicago.

BTW, here's a pic of a buried box I found while tracking down splices:
 

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#2 ·
:laughing:

Yes. Nearly everything must be in conduit here. Exceptions include disposal and dishwasher whips for example where you need the flexibility.

The last few full basements I did averaged 700 feet of pipe per job.

Some AHJ's even want a lot of the low voltage in pipe. Such as one town wants the little tiny wire that connects to the water meter to the outside remote reader in pipe.

I'm so used to it that anything else actually looks odd to me.:clap:

PS-EDIT I notice that on that buried box pic, there is no green screw sticking out of the back, so they likely didn't run the ground wire either.
 
#8 ·
Luckily not. Almost every home has a basement or at least a crawlspace here. First floor usually gets piped from the bottom and second floors usually get piped from the first floor for receptacle runs. The home runs for each floor run near the panel, vertically straight up and then we work from a deep box with an extension ring to go from there on each floor. Around here, for the second floor, the home run from the panel usually is in a second floor closet light nearest the panel vertically.
 
#10 ·
Locally most non combustible construction is BX, you may see the odd old one piped in flex. Most often communications are piped in ENT or Flex. ENT being a fraction of the price it's vastly more popular in non visible areas.

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#17 ·
When I used to frame a lot of condos, the rule was if it was considered four story then you needed an electrical room with the cable going to each unit, inside conduit. Three story condo didn't need any conduit. I remember the electrician on one three story condo I did running all the main cables going to every unit through the kitchen cabinet soffit drops on one unit. He said if I saw all these cables going through here, I wouldn't buy this unit! EMF's are for real! Those were his words