Where to Put Grounding Bushings? 2023 NEC 252.92(B)
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- Опубликовано: 10 ноя 2023
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Thanks for stating it’s ok to exceed the code.
No problem. Thanks Patrick!
Code is a C, you can always do A+ level work.
Good way to put it. @@KC-op4ke
Always good information and thorough explanations on this channel.
Much appreciated! Thanks!
I think its important for people to think about what would happen in a fault condition and thatll help you make sense of it.
Thanks!
🎉 i love this channel
Great to hear! Have a great weekend!
Supply-side bonding jumper. Thanks Bill!
Yes sir! Thanks!
I absolutely love these videos you make! Thank you for providing excellent information. Keep it up!
My pleasure, thanks!
Good to have you back, Bill!
Good info as usual ... Thx Bill
Thanks Eddy!
Great teaching example. Thanks for all your hard work.
Yes, I thought it would be because there seems to be a lot of confusion on the subject. Thanks so much!
thanks Sparky for the great information and explain very helpful
Glad to help!
1000 thanks, you have grace for explaining grounding conductors cowboy....
No problem, thanks!
Dude such a great channel!
Glad you enjoy it!
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.)
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.
👍😄@@SparkyChannel
Excentric k/os, and service conduits 💯
Kick ass
Thanks Dave! Great to hear from you!
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.
Good job Tom!
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
Sound's good!
so he had to run a ground wire from the meter panel or not if not? In my head it sounds like you said he doesnt need a ground wire ran bc at the meter panel the netrual lug is bonded to enclosure.
Your title show it as article NEC 252.92(B)
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
Excellent! Yes, you could add more if you like.
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?
You'd parallel the neutral....putting objectionable current on the housing of the panel, the disconnect, and the nipples.
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?
On the line side of a service disconnect you still need to use a bond bushing under all circumstances I believe.
@@ed6837 right. I wasnt clear but I was talking about a feeder or branch circuit at 480v
See 2023 NEC 250.97 Bonding for Over 250 Volts to Ground
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)
Another reason I despise concentric knock outs.
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.
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.
Great job! Yes, an extra grounding bushing is a great idea. The contestants only had one, so they had to really know their code.
@@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
Do you feel extra smug because you had to let everyone know you guessed it right?
How could he miss that ?????????????
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.
@@SparkyChannel was this timed and the contestant just wasn't fast enough to finish?