Linked Questions

5 votes
2 answers
3k views

Shared ground on bathroom light, fan, heater combo

I plan on replacing the exhaust fan in my bathroom and want to replace it with a light/heater/fan combo. In doing so, I want to be able to power both the vanity light and the fan light with a single ...
ander2ed's user avatar
  • 153
3 votes
2 answers
253 views

If i use one ground wire for two outlets, will my equipment get damaged?

If i use one ground wire for two outlets, will my equipment get damaged? Here is what I want to do: If my air conditioner sends voltage through the ground wire shared with the outlet powering my ...
Oliver Maki's user avatar
2 votes
2 answers
384 views

How do I connect a separately run equipment ground to a grounding electrode conductor? [duplicate]

Jurisdiction Kentucky, USA; 2017 NEC / NFPA 70 Background I live in a house built in the 50s that was originally wired with ungrounded outlets. Many parts of the house have been rewired, but a room ...
scott's user avatar
  • 123
1 vote
2 answers
2k views

Best practices for a shared ground in conduit between branch circuits in residential?

According to NEC 2014 250.130 : Article 250 - Grounding and Bonding VII. Methods of Equipment Grounding 250.130 Equipment Grounding Conductor Connections. Equipment grounding conductor connections at ...
Vigrond's user avatar
  • 255
0 votes
2 answers
5k views

Can a single ground wire ground 2 outlets? [duplicate]

Can a single ground wire ground 2 outlets? I don't want to run another wire through the wall, if I can run a wire to that other ground wire (and have 2 outlets being grounded by one wire). In other ...
Oliver Maki's user avatar
0 votes
2 answers
596 views

Electric ground from another circuit

I have a circuit that has a couple outlets and they used 2 wire no grounds. Can I replaced the wire with 3 wire for the outlets and add new 3 prong outlets. It is a long difficut way back to my panel ...
robert block's user avatar
6 votes
1 answer
5k views

Can I obtain grounding from a different outlet?

I have a room with 2 ungrounded (2-prong) outlets and 1 switched grounded (3-prong) outlet. This has not been a serious inconvenience so far, as most of the equipment I wish to connect has ungrounded ...
Kevin Reid's user avatar
  • 4,054
4 votes
1 answer
12k views

DIY solution for open ground wiring where electronics need to be plugged in?

Although many of the original two-prong outlets in a rental property (built around 1958) have been replaced with three-prong ones almost none of them are actually grounded (the couple that are ...
Jessica Brown's user avatar
2 votes
1 answer
826 views

"Lending" the ground wire of a 120V/15A circuit to a 240V/30A circuit

I have read in a previous forum post Is it OK to borrow a ground wire from a different circuit? that NEC in article 250.130(C)(4) allows the grounding of an ungrounded circuit by connecting to an ...
MarcoD's user avatar
  • 437
2 votes
1 answer
1k views

Is my plan to add a neutral wire to a switch box ok?

I'd like to add a neutral wire to an old switch box so that I can install a smart switch that needs a neutral wire. I have a mud room and porch that each have a light fixture. The lights are ...
Michael K's user avatar
2 votes
1 answer
1k views

Integrating into knob-and-tube wiring: okay to borrow a ground [duplicate]

I have a mixture of knob-and-tube and NM-B. If I'm extending from knob and tube, but I have a (different) an NM-B circuit nearby, is it technically allowable to ground via ground wire in the other ...
ThePopMachine's user avatar
1 vote
1 answer
189 views

Why must all outlets share a ground conduit?

I was reading this answer in my quest to see how possible adding grounds to my existing knob and tube house would be, and was suprised by: Are you asking if it's OK to run a separate ground wire ...
xhainingx's user avatar
  • 175
0 votes
1 answer
400 views

mesh with an older circuit

When extending an existing electrical circuit in an older home (comprised of 2 wire service (common and hot with no bare wire ground)) should one use 2 wire with a bare wire ground for the extended ...
Fred Loveland's user avatar
0 votes
1 answer
305 views

Electrical outlet wiring question

How serious a problem is it for an outlet's ground wire to be extended from an outlet that is part of a different circuit than the circuit providing the power and neutral wires? I have an old ...
nycneutral's user avatar
1 vote
0 answers
134 views

Shared ground between two different circuits? [duplicate]

I have a 240 circuit that i am trying to split into 2 120 circuits. I have only 3 wires available, red/white/black. I have another circuit a few inches away (both in junction boxes), Can I share ...
MRD Colorado's user avatar

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