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THWN would be the wire to use if the conduit is buried. I believe this is what Speedy was eluding to. 3 #6's and a #10 will install easily in 3/4" AL flex provided you install the wire first. Get your length, cut your flex and conductors, push a fish into the straight flex, attach the wires and pull them thru.
EV charger conduit/wire. I have been reading on code types of materials to use for an EV charger. I would l to ask the community if a few questions. 1) I have a heavy duty nema 14-50 plug. this should be good. 2) I plan on using THNN 6/3 wire in a schedule 40 1" PVC conduit. Probably a 25 ft run to the electrical panel.
I want to do the wiring once and do it right. Unless you are planning on a 120 volt generator with not plans to ever upgrade to 240, I would run 6/3. My electrical answers are based on 2017 NEC, you may have local amendments. You're going to need 6-3 with ground. 6-2 is for 120V generators. 6-3 is for 240V ones.
Once inside the house, either continue with PVC conduit to the panel, or have a large junction box and splice to 6/2 NM-B cable. If you do need neutral, use three THWN #8 wires, and a BARE #10 copper ground. That will just barely fit inside 1/2" IMC conduit. Though 3/4" would be easier to pull. THWN wire is allowed a higher thermal rating, so ...
I'm assuming your using 6-3 romex. I like to run my on roof joists so its not burried in insulation and I don't walk on them, but you can do it either way. You also shouldn't run any romex in conduit. Reply Like. K. Kips Discussion starter. 4 posts · Joined 2009. #3 · Jan 15, 2009. Thanks, Integlikewhoa, for the fast response.
Stubbie. 4975 posts · Joined 2007. #4 · Dec 22, 2014. As Jim mentioned you only need a protective bushing where the nm enters the protective sleeve of 1" conduit. If the panel is surface mounted to the garage wall you will need to abide by NEC 312.5 (C). Copied from Electrical Contractor Magazine.
Tweet. #3. 09-24-2009, 02:43 PM. If you're going to run separate conductors then by all means put them in conduit. If you are pulling a ground in the conduit, you should use 1 1/4" if not, then 1" is fine. This is for THW, 1" is ok for THHN. If you are using SEU type cable then you don't need a conduit unless it will make you feel better.
ID of the flex is 0.82". OD of the wire is 0.65". Now if the od of the NMB was flat like a cord you might have a chance at pulling this through the flex. Yes you can run the 6-3 under the house, off the ground and subject to no physical damage. NMB can not be exposed to the sun or water (rain)
If you are running conduit all the way, cable is a poor choice compared to THWN individual wires. UF cable will require 3/4” conduit. Three THWN wires only need 1/2” conduit. The other thing is stranded THWN is a joy to pull, but cable is a nightmare because it's so stiff. As a novice, whenever you do conduit, stack all the cards in your favor.
Even if the attic isn't accessible, cable on top of the joists is still required to be protected where it's within 6 feet of the opening. That doesn't necessarily mean conduit. You can simply use lumber strips next to the cable. The idea is to protect it from being stepped on or having heavy objects placed on it. This is an older thread, you ...