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Questions tagged [nema]

16 questions
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3 answers

250V NEMA receptacle for a L6-20P plug

If such a receptacle exists, what is the (US) NEMA designation for a 250V receptacle with a terminal on the back for hot#1, and one for hot#2, a ground terminal, and also a place to attach neutral, where the receptacle is prong-compatible with an…
mr blint
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How to hook up a 240 volt, 15 amp appliance (with neutral) in the USA

Short version: what circuit should I install in the US for a 240 volt, 15 amp appliance that requires a neutral, and what receptacle and cord should I use? Long version: I currently have an old gas dryer and am thinking to replace it with a heat…
lnmaurer
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3 answers

Which small (1-gang) surface mount box is code compliant with NEMA 14-30R receptacle?

I would like to install this NEMA 14-30R in a surface mount single gang box for my dryer. Can I put it into this box? The box has 19 cu-in. I am not proficient with fill calculations but 3x10AWG + 1x12AWG grounding I would arrive at 17.25…
divB
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I added a 50Amp breaker to my panel in the last space available to wire a NEMA 6-50R Outlet for car charger - pot lights don't get enough power

I recently added a Square D 50Amp 2pole breaker to my panel dedicated to add a NEMA 6-50R Outlet for a Chargepoint EV Charger. Everything works fine, but when I'm charging my car there are a couple of pot lights in my kitchen (LED bulbs) (that are…
GroundBeef
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Nema 10-50 with ground conductor in place of neutral. I know it's wrong, but is it dangerous?

bought an old (1955) house with some incorrect wiring. there is a 10-50R wired such that the designated neutral plug conductor terminates at the ground bar in the panel (ground and neutral are not bonded in sub-panel). if I was to plug a 240v…
Jim B
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Replace a 1-15P or 5-15P connector with 6-15P for 120-240v compatible device?

I have a 220v bandsaw (Laguna 14|BX) that features an accessory outlet with a 220v NEMA 6-15 receptacle. Alas, the only work light I’ve found with that spec is, surprise, Laguna’s $150 one. There are plenty of affordable work lights out there that…
Allen Matsumoto
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How to wire up a light using a single phase 240v power supply?

I have a 240v single phase power supply (Nema 6-20) going to one of my shop machines to power the motor. It has 2 hot wires and 1 ground wire. I want to add a light to this machine. What is the correct approach for wiring up a light using this power…
Rob Fyffe
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I want to use a thin gauge wire from a Nema 14-50 outlet

I have an RV and want to plug into the typical Nema 14-50 outlet found at campsites. However, I am never going to draw more than say 15amps. I would rather not have a heavy bulk cable that will never come close to its capacity. In addition, it will…
John
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50 Amp plug but 30 amp breaker

I have a plasma cutter which can have 35 amps of 220 draw. The factory plug is NEMA rated for 50 amps, 220V single phase. My circuit is rated for 30 amps. I never intend to go above 30 amps when cutting. What kind of receptacle with metal conduit…
Paul C
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Is the wiring on this NEMA 10-50R incorrect?

While looking into EV charging I noticed I had a 240V receptacle (Leviton 10-50R) conveniently located right beneath my main panel. After some research (I have little to no electrical knowledge), I found out that not only is the 10-50 no longer…
luk
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Replacing dryer cord (3 to 4 prong), where to connect existing ground?

I have a Kenmore Model 110.8 dryer which currently has a 3-prong NEMA10-30 cord. I want to replace it with a 4-prong NEMA14-30 cord. This is how the current wiring looks like (apologize for all the dust): You can see that the grounding wire comes…
divB
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How should I modernize my ungrounded surface-mount dryer outlet?

I currently have a non-grounded NEMA10-50R on a 30A circuit for my dryer. I would like to replace it with a proper grounded one. Is the right choice NEMA14-30? I have also heard people saying NEMA14-50. What is the best choice for being as future…
divB
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Was this electric water heater wired up to 3 prong cord ever up to code?

This Rheem water heater appears to have been installed in or after 2015, based on the date code. (Located in Texas, if that’s relevant.) What caught my attention: Power Cord: It’s using a flexible 3-prong NEMA 30-amp cord. As I understand it, the…
user2138912
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Should electric dryer work on NEMA 10-30 receptacle with 163 V to ground in commercial building with 3 phase service? USA

An animal shelter (in USA) where I volunteer has a new 240V Maytag electric dryer that will not operate (when "on" is pressed, the electronic panel gives a single brief flash of all LED's, that's all). The Maytag service tech says the power is…
MadMonty
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Can flexible conduit be used inside PVC conduit?

Can 3/4" Liquid Tight Non Metallic Flexible Conduit be run inside a PVC Sch 40 and buried 18" below ground for extra water tight for electrical wires (3 of 6awg and 1 of 10g bare copper)? The length is about 50ft. Update I completed the job running…
wyciwug
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