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5 votes
Accepted

Main panel grounding modification (two grounds in box to single ground wire)

No can do. Those are your Grounding Electrode System wires, and those cannot be spliced by any craft that we here possess. Crimping them legally requires specialized kit only an electrician is going ...
6 votes

Main panel grounding modification (two grounds in box to single ground wire)

Grounding wires must be continuous from the main panel to each of the places they are going (ground rod and water pipe, same as in my house). As I understand it (and I went through this recently with ...
1 vote

ITE EQ Load Center neutral / ground update

So today I was able to sort out answers / fixes for some of this: I was able to turn off the main breaker, disconnect neutrals from the right side busbar, and loosen the busbar mounting screws. Then ...
  • 319
8 votes
Accepted

Upgrading 240v 3 prong dryer outlet to 4 prong

The ground wire coming off the cable must go to the metal box first. That's a Code requirement. If it is competently attached to the metal box using a feature intended for that purpose, you're all ...
5 votes

Upgrading 240v 3 prong dryer outlet to 4 prong

You may have a 4" wide box under the visible mud ring. Sample photo of 1 device mud ring which may be what you have: Sample photo of 2 device mud ring replacement which would give you more room ...
  • 2,033
7 votes

Upgrading 240v 3 prong dryer outlet to 4 prong

There should be (almost always is) a 10-32 threaded hole somewhere in the box. Normally it's the smallest hole. In newer boxes it's often in a "hump," which provides screw clearance if ...
  • 144k
1 vote
Accepted

Code re water pipe as grounding electrode

A lot varies by jurisdiction. But in my experience (one instance, but very recent) with a professional electrician and inspection: Water pipe, ground connected where pipe comes into the building (i.e....
0 votes

Code re water pipe as grounding electrode

Agree that the water pipe is essentially useless these days, when the various plastic materials are generally used. Further, that effective grounding is absolutely ESSENTIAL. Two ground rods, ...
8 votes

How is a Ufer ground attached to the panel?

You will connect a bit of rebar to the reinforcement of your foundation and leave it sticking out of the concrete, that will be your ground connection. Internal to the concrete you will need larger ...
3 votes

ITE EQ Load Center neutral / ground update

The first thing I'd do is search the panel and cover for labeling. Looking for two things: #1 whether 2 or 3 ground wires are allowed on a neutral bar terminal, and #2 the recommended model numbers ...
1 vote

ITE EQ Load Center neutral / ground questions #2

I couldn't figure out what size wire is required by code for bonding a main panel enclosure. I found the answer to this part of the question (hope this is the right way to post it). Table 250.122 ...
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1 vote

Utility requires EGC wire to be bonded in meter can, do grounds and neutrals have to be separated in main panel?

You're stuck between a utility rock and a NEC hard place Normally, if your utility says to do something in a certain way, I'd agree with them and go along with the flow. However, your utility's ...
4 votes
Accepted

Utility requires EGC wire to be bonded in meter can, do grounds and neutrals have to be separated in main panel?

If your utility is requiring the neutral-ground bond to be in the meter box, then yes, you really need to keep neutral and ground entirely separate downstream of that. If you keep the second bond in ...
  • 3,358
2 votes

ITE EQ Load Center neutral / ground questions #2

Danger Will Robinson! That bare neutral cross-wire marked "A" is dangerously close to non-fused "hot lugs". That really needs to be removed. Since the wires were inserted from the ...

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