All Questions
26 questions
1
vote
1
answer
65
views
Question on installing NEMA 14-50 for EV charging
I have a question with regard to installing a NEMA 14-50 for EV charging. I know these outlets are not fantastic for this purpose, but I’m looking to install one just temporarily to be replaced by a ...
3
votes
5
answers
2k
views
Connect electric cable with 4 wires to 3-prong 30 Amp 125-Volt/250-Volt outlet?
I purchased a 3-prong outlet for my dryer. The cable coming out of the breaker box has 4 wires (white, red, black, bare).
I was looking at a youtube tutorial, and it says to connect the white wire to ...
- 2,133
0
votes
1
answer
699
views
Grounding stranded aluminum wire to junction box - 240v, for stove
I am attempting to replace a 110v outlet with a 240v outlet. This outlet is behind the stove in my kitchen. It was formerly powering a gas range, and this new outlet will be used for an electric range....
2
votes
1
answer
387
views
Can I ground a detached garage to adjacent soil instead of connecting back to the panel?
I have a 50s house that has some 10/3 without ground for 240v/30a running to the garage.
It's easier to run a ground wire to the outside of the garage and to the earth than it is back to the panel. Is ...
- 21
7
votes
1
answer
2k
views
How important is a grounded stove outlet?
Apologies if covered elsewhere... My place has the old-style three-prong 240V stove outlet, two phases plus neutral. This means the stove (recent, induction) doesn't have a safety ground. The closest ...
- 33.2k
0
votes
2
answers
6k
views
Should I use /2 or /3 cable for a NEMA 6-20R oulet?
I need to wire up a NEMA 6-20R and have both 12/2 and 12/3 cable available to me. Most diagrams I’ve seen show the hot’s to the horizontal spades (X and Y) and the bare ground to the Ground lug on the ...
- 169
0
votes
1
answer
257
views
240v panel-no neutral
This is the culmination of a few posts (Disconnecting 240 hots without disconnecting neutral?, 240v only subpanel, no ground?) to see if this seems right.
I had a subpanel A with 20A double pole ...
- 49
3
votes
1
answer
245
views
Is it possible to add a retorfit ground wire to a (3-wire) Type SE, Style U cable from another branch?
Would it be possible to add #10AWG GROUND from another branch (hot-water heater 30A circuit) in order to retrofit ground and replace a 3-wire receptacle with a 4-wire one to be able to use it for an ...
- 193
1
vote
1
answer
240
views
How to wire this 4-wire range terminal block with pin style connectors?
Could you please help me determine how to properly replace this 4-wire cord that has pin style terminal with a 3-wire cord that has ring style terminals?
terminal block on the range:
old 3-wire cord ...
- 193
8
votes
4
answers
2k
views
Alternative GFCI Wiring in Strict 240V Scenario?
I have a strict 240V wiring situation (i.e., two hots + ground, no neutral) with a hot tub as the only load on the circuit. Now, I think it’s very prudent (and generally mandated) to have a local ...
- 81
0
votes
2
answers
229
views
Can I make a new ground pipe at an outdoor appliance instead of running a separate ground wire?
I have two legs of my 240 V appliance and the neutral wire, but no ground wire available, but plenty of room for burying a ground pipe and strap. Can I just drive another ground pipe at the location ...
- 1
2
votes
1
answer
358
views
GEC and NM cable through same hole?
I'm replacing old 240v wiring in our home and the grounding electrode conductor was put through the same hole in the stud as the 240v cable was. I am not wanting to drill any more holes in the studs ...
- 63
1
vote
3
answers
80
views
Grounded properly?
Hello all, I am adding a 240V outlet and am grounding the box. I would like to know if what I have done here will be okay upon inspection.
Thank you,
Ben
- 63
0
votes
2
answers
6k
views
Proper way to ground a 240v metal outlet box?
I am replacing the circuit to our stove and am doing the rough in currently. We may one day want a stove requiring more amperage than our current 40 amps and so I am replacing with 6-3 w/ground. I ...
- 63
0
votes
3
answers
119
views
New GFCI to replace one that was in the subpanel of a hot tub
I have a dedicated 50 amp 240 v circuit to a hot tub. Had it over 15 yrs no problems. Recently the GFCI that was in the sub panel would buzz and then trip or sometimes work just fine after resetting....
7
votes
3
answers
1k
views
What purpose does a 3+1 outlet/circuit provide when the neutral bus is grounded?
I'm trying to wrap my head around what the benefit is of having to use a 4-prong outlet for newer appliances when it appears the neutral and ground both end up in the same spot.
In a dual pole ...
- 24.5k
0
votes
1
answer
2k
views
Adding Ground Wire to Existing NEMA 10-30 socket
I have a question about changing my 10-30 wall outlet to 14-30 for charging my EV. I thought it was a simple trip to Home Depot but it seems I may be not code compliant. I bought a Level 2, 20 amp ...
- 1
0
votes
1
answer
47
views
Dangers of connecting Neutral to case of blower?
(Not an Electrician) I have a 220V air handler (not part of the HVAC system its for a homemade wind tunnel) that I need to get power to. There is an old dryer receptacle (10-30R) in the basement that ...
- 1
4
votes
4
answers
15k
views
If my heat pump does not have a neutral, do I still need a neutral wire?
I had a friend wire 10-3 line for a new heat pump. He connected the red and black conductor wires in the house to the 2-pole 60 amp breaker and the neutral white to the neutral bus bar. The outdoor ...
- 41
4
votes
2
answers
4k
views
Plugging compressor into 240v dryer plug (NEMA 10-30R)
I've recently received a compressor that has a NEMA 6-50P plug on it. I would like to plug it into my current dryer receptacle which is a NEMA 10-30R.
Voltage and amperage-wise, I think everything ...
- 143
0
votes
1
answer
506
views
How can I ground an appliance with a CEE 7/7 plug plugged into a step-up transformer with a "universal" female outlet?
I'd like to use a European appliance (5A 208-240V 50/60Hz 900W) with a step-up transformer such as this one.
The appliance has a CEE 7/7 Schuko-French hybrid plug. The transformer has a female ...
- 151
2
votes
0
answers
836
views
Wanting to make existing 2-wire 220V outlet a 4-wire one
(Located in the USA)
I've inherited a 220V (or 240V?) circuit which is just capped off inside a junction box. It's hooked up to a 30A breaker, and seems fine, except that it's only a 3-wire run--no ...
- 121
0
votes
4
answers
5k
views
How is a a two phase, three wire, grounding plug such as a NEMA 6-20P safe to use?
I'm looking to use a piece of commercial equipment in my home, and I've been reading about AC current and circuits. I currently have access to an old style non grounding 10-30 style plug, which I ...
- 175
1
vote
3
answers
1k
views
Can I safely create another 120V outlet using the fourth neutral wire from a 4 wire 240V line?
I recently just ran a 4 conductor 240 volt line out to my shed. I chose to run the extra conductor just in case, but I do not currently need it for my application. My question is, can I add a 120V ...
- 115
3
votes
4
answers
11k
views
Looking for or adding a ground to an existing NEMA 10-30 socket
I have an unused older 3-wire dryer socket (NEMA 10-30R) in my garage, I would like to upgrade this to a NEMA 14-30 socket with an separate ground. I'll be using this for an EVSE unit for electrical ...
- 349
4
votes
4
answers
9k
views
How can I upgrade a 3 wire appliance receptacle to a 4 wire receptacle?
I have a cabin, wired for 220 and even has a sub-breaker near the outlet. There are 3 wires to the connector (two hots and the neutral). The range-top that I want to hook up is a 4-wire model (2 ...
