Where to Put Grounding Bushings? 2023 NEC 252.92(B)

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Where to Put Grounding Bushings? 2023 NEC 252.92(B)

Рет қаралды 22,640

9 ай бұрын

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Пікірлер: 59

@patrickkelley3408 9 ай бұрын

Thanks for stating it’s ok to exceed the code.

@SparkyChannel 9 ай бұрын

No problem. Thanks Patrick!

@KC-op4ke 9 ай бұрын

Code is a C, you can always do A+ level work.

@SparkyChannel 8 ай бұрын

Good way to put it. @@KC-op4ke

@guillermojacques6671 9 ай бұрын

Always good information and thorough explanations on this channel.

@SparkyChannel 9 ай бұрын

Much appreciated! Thanks!

@stillthakoolest 9 ай бұрын

I think its important for people to think about what would happen in a fault condition and thatll help you make sense of it.

@SparkyChannel 9 ай бұрын

Thanks!

@0786RICARDO 19 күн бұрын

Service conduit in one end only 250v+ to ground on one end only, unless you don't have concentric knockouts when metal flex is used as EGC under allowed conditions When running a GEC or an electrode BJ in a ferrous conduit. It's required on both ends to nullify inductance

@steveloux4709 9 ай бұрын

Supply-side bonding jumper. Thanks Bill!

@SparkyChannel 9 ай бұрын

Yes sir! Thanks!

@calebroskamp9937 7 ай бұрын

Good to have you back, Bill!

@thomasglessner6067 9 ай бұрын

Great teaching example. Thanks for all your hard work.

@SparkyChannel 9 ай бұрын

Yes, I thought it would be because there seems to be a lot of confusion on the subject. Thanks so much!

@Eddy63 9 ай бұрын

Good info as usual ... Thx Bill

@SparkyChannel 9 ай бұрын

Thanks Eddy!

@calebmorand4604 9 ай бұрын

I absolutely love these videos you make! Thank you for providing excellent information. Keep it up!

@SparkyChannel 9 ай бұрын

My pleasure, thanks!

@Jason_Canada 9 ай бұрын

🎉 i love this channel

@SparkyChannel 9 ай бұрын

Great to hear! Have a great weekend!

@jrpritchard1622 9 ай бұрын

thanks Sparky for the great information and explain very helpful

@SparkyChannel 9 ай бұрын

Glad to help!

@donl1410 9 ай бұрын

I was about to make a correction comment, but you updated your video accordingly. 🙂 (Without the bushing on the SEC nipple, the nipple would not be bonded.)

@SparkyChannel 9 ай бұрын

LOL! I beat you to the correction this time. Yes, the nipple between the meter socket and the safety switch has to be bonded. I didn't realize that at first.

@donl1410 9 ай бұрын

👍😄@@SparkyChannel

@charliebrown325 7 ай бұрын

1000 thanks, you have grace for explaining grounding conductors cowboy....

@SparkyChannel 7 ай бұрын

No problem, thanks!

@MrTooTechnical 9 ай бұрын

Kick ass

@SparkyChannel 9 ай бұрын

Thanks Dave! Great to hear from you!

@TomCee53 9 ай бұрын

I got this right because I recently had to add a grounding bushing at the incoming conduit of my service disconnect, which in my case is the circuit breaker panel.

@SparkyChannel 9 ай бұрын

Good job Tom!

@MacCallumKipper 5 ай бұрын

Dude such a great channel!

@SparkyChannel 3 ай бұрын

Glad you enjoy it!

@Weasel_NM575 9 ай бұрын

Here in New Mexico as long as rigid is used from penetration point from one panel to the next then we use ground bushing’s

@SparkyChannel 9 ай бұрын

Sound's good!

@scottsullivan4354 8 ай бұрын

Excentric k/os, and service conduits 💯

@pheadland 9 ай бұрын

Feeling smug, because I guessed the correct location instinctively. Why did I jump straight to that? To me, it goes along with the rule about grounding the service disconnect itself. If that is the definitive local ground, it follows that it has to be where the ground is propagated to the conduit. But I'd install one on each side, because I want to be really, really sure no run of conduit can fry anyone under any circumstances, and $15 or so for an extra grounding bushing is cheap insurance.

@SparkyChannel 9 ай бұрын

Great job! Yes, an extra grounding bushing is a great idea. The contestants only had one, so they had to really know their code.

@vicktorpatriot1430 5 ай бұрын

@@SparkyChannel I guess with the meter base and that 3pole discount both having eccentric/ concentric knock outs how only one end of that nipple is required in the code to bonded and not both ends

@laynefournier4708 4 ай бұрын

Do you feel extra smug because you had to let everyone know you guessed it right?

@gregchambers6100 8 ай бұрын

Another reason I despise concentric knock outs.

@GypsyMoFoJoe 3 ай бұрын

Your title show it as article NEC 252.92(B)

@ronaldkovacs7080 3 ай бұрын

I would be prone to putting a ground bushing on both sides of each conduit. Should a fault occur within any conduit the remaining knock outs in the hole may provide a poor electrical path and might result in a lot of arcing and possible fire hazard. Just my two cents, I realize it is not required less than 250 Volts.

@wizard3z868 9 ай бұрын

Im more knowledgeable than i thought i wld have put it whete you said made the most sense. Than i wld have liked to put one on the other enclosure line side

@SparkyChannel 9 ай бұрын

Excellent! Yes, you could add more if you like.

@stillthakoolest 9 ай бұрын

Good video. Say with a 480V circuit and you are leaving a bonded enclosure with EMT directly KO'd (no concentric or eccentric etc) going to a box WITH concentric KOs, a bond bushing would NOT be required as the conduit is properly bonded on one side, correct?

@ed6837 9 ай бұрын

On the line side of a service disconnect you still need to use a bond bushing under all circumstances I believe.

@stillthakoolest 9 ай бұрын

@@ed6837 right. I wasnt clear but I was talking about a feeder or branch circuit at 480v

@SparkyChannel 9 ай бұрын

See 2023 NEC 250.97 Bonding for Over 250 Volts to Ground

@KLAWNINETY 9 ай бұрын

I believe because it's 277/480 you have to have the grounding bushing no matter what for a service. (or other means listed in the next)

@googleuser1710 4 ай бұрын

what if you just ran a continuous unbroken ground wire from 2 ground rods through a lug connected to the bonded neutral in the meter socket to the ground bus on the next panel? Wouldn’t that effectively ground the entire system?

@ElectricianMagician 4 ай бұрын

You'd parallel the neutral....putting objectionable current on the housing of the panel, the disconnect, and the nipples.

@0786RICARDO 19 күн бұрын

You're double dipping there, creating currents in the GEC

@0786RICARDO 19 күн бұрын

@@ElectricianMagicianyeah, grounding the meter is always a big mistake

@SteveN-sy4bm Ай бұрын

Where do you find the sizing of the actual jumper?

@AyAytch Ай бұрын

Table 250.102 (C)(1)

@johncasor9698 8 ай бұрын

How could he miss that ?????????????

@SparkyChannel 8 ай бұрын

Remember, these are apprentices. You can't except perfection. I would have loved to see 10 pros do this task and see if they all did it correctly. As I said in the video, I want Sparky Channel viewers to win contests like this! And just do it correctly in regular electrical work, of course.

@vicktorpatriot1430 5 ай бұрын

@@SparkyChannel was this timed and the contestant just wasn't fast enough to finish?