In Which Panel are the Ground and Neutral to be Bonded?
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- Опубликовано: 7 ноя 2023
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I like the expression, "the first point of disconnect" it's very clear.
"First service disconnecting means" is more specific. But you're correct. I've also heard "bond the first panel of disconnect".
@@SparkyChannel every electrician should understand "service disconnect" but "first point of disconnect" should even be clear to a green apprentice.
It is very clear, I agree. @@kenbrown2808
Excellent and simple explanation. Best I have ever heard!
Thanks so much!
Thank you for such a good explanation of where to bond Neutral and ground. I have been searching for a clear explanation and you provided it! New Subscriber!
Thank you Sparky
My pleasure, thanks!
Thanks, Bill! As always a very good explanation.
Thanks Tim! Did you get it right at the start of the video?
Good info Bill and a nice shot of you riding off into the sunset Thx as always for posting
It was some recreation after the hard work. LOL! There is a beautiful river walk in Tampa. Thanks Eddy!
Thank you for sharing your knowledge.
My pleasure, thanks Vince!
thanks for posting.
You're welcome!
Thanks Sparky
Welcome!
Good explanation Sparky.
Thanks Gary!
Barry nice videos
Thanks from fountain valley cal ✌️👍
Thanks! Cheers from San Diego!👍
Hello Sir, you are awesome, very easily explained!
Thanks so much!
Cool. I got it right.
Right on!
Perfectly sir
Thanks!
I like the part you said to remove the ground screw from the load side to prevent someone from torquing it down by mistake.
Thanks Chris!
In the case of line side Solar connection. Would you bond both the Solar fuse disconnect and house first disconnect?
Hey sparky good video. Have you heard anything back from the NEC on your letter you wrote to them on receptacles on islands?
Yes I have. They wrote back and said to write them at some other time. LOL!
That's sad
Duke Energy requires it behind the meter or they will not connect power.
Does this N-G bonding depend on the type of earthing system? Like TN-S, TN-C-S etc.
Here in New Mexico we are required to run bare copper #6 from the panel up into the meter can and also bond to ground bushings with one solid piece of wire
Excellent!
do you use metallic conduit between the meter and the service gear? where I am, it is common to use PVC, if you're not using cable. but we had one inspector insist we use plastic bushings on the chamfered cable fittings.
@@kenbrown2808 yes we use rigid even for the riser off the meter can we only use 2” rigid no pvc
@Weasel_NM575 the service mast is the only place we use rigid. Aand then it goes into a hub or a field cut hole, so it is bonded.
@@kenbrown2808 yeah I’ve seen for example on the competition video’s they usually run pvc then again a states and inspectors are all different
When I redo my electrical box I am isolating all conductors and grounds. I will connect the loads to the incoming wires from the pole to the panel, and I will have the three wires coming in which are two hots and one neutral. I will use the cold water pipe to ground the panel and connect all my grounds to the grounding terminals with a separate terminal for the neutral wires, assuming I don't have one of those newfangled boxes that have breakers that hold both neutral and hot. Even in that case, I will have the ground bus bar and panel grounded to cold water pipe, all isolated from the neutral incoming line.
Do you have ground rods?
@@SparkyChannel No, Right now I ground from cold water pipe. It's 6 feet deep copper and has good ground. If I have the panel redone, I will probably get rods installed. When I have things done, I like it ALL done the proper way and with all the "extras" that come with it.
Hey Bill was this a demonstration? Have to ask and I apologize if I missed something, why was the fused disconnect installed when the breaker panel has a main disconnect in it ? Thanks Bill 👍
yes, it was a demonstration. there are some applications that require fuses as short circuit protection, where you will have fast acting fuses backing up breakers, and some applications where there will be fuses with a higher interrupting capacity backing up a breaker panel with a lower interrupting capacity. and, of course, if the breaker panel is in a remote location, there will need to be a disconnecting means with overcurrent protection, adjacent to the meter.
Excellent answer Ken! That is a 3 phase meter socket, "UG/OH" (underground or overhead) for 240V, so the designer of the contest felt that the heavy duty safety switch was realistic for the contest. Many of these apprentices work in a commercial setting. @@kenbrown2808
@@SparkyChannel interestingly, that meter socket would mot be approved in my area. power companies require a test block bypass on any commercial installation, and the one I work with most, requires the service lugs to be in line with the service conduit for an underground installation.
Interesting, thanks! @@kenbrown2808
hi, what wound change if the meter box had a disconnect that I've seen in other videos?
correct. then the disconnect in the meter box would be the service disconnect.
Excellent question! I have a video with just that scenario: How to Bond Neutral and Ground With 2023 NEC Code Book and Handbook: ruclips.net/video/8nXEyMN3jHw/видео.html
Thanks that's what I thought.@@kenbrown2808
Hi Sparky Bill.
I will be installing an electric vehicle charger in a garage of a dwelling. The branch circuit will be 1 phase, 240 volt, 50 amps, NO neutral.
As it will be in a garage it must be on a GFCI 2 pole, 50 Amp breaker.
As the circuit does not have a neutral what should be done with the neutral pigtail coming off of the GFCI breaker, should this pigtail still be landed on the neutral bus?
Doesn't 210.8 only require GFCI protection for 120V 15A/20A circuits? I know this section has been updated (I only have the 2017 NEC at the moment) but as far as I'm aware, a 240V 50A circuit wouldn't be required to be on a GFCI, even in a garage. Someone correct me if my info is outdated...
If you do opt to put a GFCI breaker for added safety, I would guess that the neutral pigtail on the breaker would just land on the neutral bus like you said. Even though the circuit itself doesn't have a neutral, the internal GFCI electronics likely require 120V for the test function to work properly.
@@MaxPowerElectric 210.8(A) has been revised and now states "All 125-volt through 250_volt receptacles. @billstarr9396 If the charger is a 48 amp charger, the circuit needs to have the 125% added to it and brings the circuit up to 60 amps. As per NEC 334.80, 6/3 romex can only go up to 55 amps and depending on the inspector, would fail for being undersized.
@@elpajaropelu9527 it is a 40 Amp EV charger therefore using the 125% multiplier that brings it up to a 50 Amp breaker. I plan on using 8/2 copper romex with a ground. As for the neutral pigtail off the breaker I plan to land it on the neutral bus regardless of the fact that the branch circuit is single phase, minus a neutral conductor.
GFCI is only required for a receptacle. If it's hardwired, the stupid thing isn't required. If the breaker is designed correctly, it won't have a neutral, but it might need it if it's an electronic (requires power) breaker. As always, consult the manufacturer's documentation!
The "first disconnecting means" is just that... the _first_ disconnecting means. (the first place the service can be disconnected.) I've never understood why that's such a difficult concept for anyone to understand.
(And FWIW, some "smart" meters can disconnect the service as well. But that doesn't count for NEC as it's service equipment; only the PoCo is supposed to be able to command those things.)
Right on brother! Let's get the word out so everyone gets this right!
Before I read or listen to video I'm going to answer which I believe is correct. We bond both neutral and ground wires at the main panel all sub panels are to be separate from one another. Why? I'm not sure I can't remember honestly
After watching the video, what is your opinion?
"the first point of disconnect" there's your answer.
Yes, but "service disconnecting means" is how it's stated in 250.24(B) see 2:20
Bruh spary the grandpa i allways wanted😢
Thanks!
All meter box s. The neutral is bonded to the box.
Thanks John!
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Hi Nathaniel. You can reach me at wpm44@yahoo.com