Questions tagged [bonding]
The bonding tag has no usage guidance.
16
questions
3
votes
3
answers
400
views
NEC gurus: What does condition 2 mean in the exception to subsection 250.32(B)(1), to not run an equipment ground in a feeder to an out building?
I'm trying to understand the exception in the NEC, subsection 250.32(B)(1), which gives permission to use the grounded conductor as the ground fault current path. Apparently, in earlier code cycles ...
- 1,056
0
votes
1
answer
70
views
Is my understanding of why ground is bonded to neutral (vs not being bonded at all) on a 3 prong dryer connection correct?
I understand the need for a separate ground path back to the panel to trip the breaker on a ground fault when possible. For dryers that connect to a NEMA 10-30R, the manufacturer always indicates to ...
- 43
1
vote
0
answers
57
views
Acceptable Method for Bonding Metal Pool Fence
I'm in Dutchess County, New York and we are installing an aluminum pool fence similar to one shown in the picture below. The fence is within 5 ft of the pool edge along three sides and further than 10 ...
- 11
3
votes
0
answers
90
views
How to check for pool bonding wire or add one after the fact
I bought a house which has a pool that we believe to have been built in 2001. I am installing a new pool heater and ran into the situation where it asks me to attach the bonding wire. The problem is I ...
8
votes
1
answer
647
views
Using an Ohm Meter to test for bonding of a subpanel
I'm selling my home and the home inspector is saying my neutral bar is bonded to subpanel box. He is basing this on his ohm meter reading continuity between the neutral bar and the ground bar. There ...
- 83
3
votes
1
answer
136
views
How to secure bonding lug to inside of 4x4 steel junction box?
I'm running some 6 ga armored bare copper wire through the attic spaces as a "grounding bus" for retrofitting grounds to various 1960s-era 2-prong receptacles. This will involve wire ...
- 4,316
1
vote
2
answers
109
views
Meter Main as Subpanel
I have a meter socket box on a pole with a couple of circuits going to outside. I want to run some feeder wires to a service equipment box on a workshop structure thru underground conduit. Since the ...
- 11
0
votes
1
answer
100
views
voltage on ground wire when sub panel is bonded and short to ground
I have a main 200 amp feeder panel which is bonded. It feeds a separate 200 amp distribution panel with about 30 circuit breakers which is also bonded. That situation existed since house was built 12 ...
- 1
0
votes
1
answer
669
views
Would surface-bonding cement be appropriate for this?
I would like to refinish an old wall of previously finished CMU blocks and bricks. See these pictures:
(full-size images also available at https://www.dropbox.com/sh/ryr4m5adx6cd22c/...
- 45
0
votes
0
answers
89
views
Is this CSST bonding proper?
Is it okay for the 6 AWG copper bonding to come in contact with the CSST?
Notes:
Distances are not drawn to scale; CSST is about 60 feet with bends and turns
Assume the black iron is properly ...
- 16.1k
1
vote
1
answer
1k
views
Bonding gas piping, flexible CSST in conjuction with Iron pipe
I recently became aware of the need to bond a gas distribution containing yellow CSST flexible pipe. (TracPipe FGP SS4 750 5 PSI FUEL It has a yellow jacket)
When our propane system was converted to ...
- 123
0
votes
1
answer
766
views
Bonding of neutral and ground
I havd a disconnect at meter which supplies a panel about 70 feet inside building. I upgraded the system based on comments from a previous question.
At the disconnect, when I add the neutral ...
- 11
0
votes
0
answers
49
views
Bare ground inside conduit? [duplicate]
I'm finishing up the rough in wiring for a kitchen remodel, but I have a situation where I can't run cables through studs for a light switch because there is no wall cavity. I decided to run it strait ...
- 31
2
votes
3
answers
2k
views
Does the ground bar on a subpanel need to be bonded to the subpanel?
I had a lightning strike near my house that damaged the electric in my shed and now I need to replace the subpanel. I have a question about the groundbar.
In the subpanel I am replacing the grouond ...
user118344
2
votes
2
answers
5k
views
Should Neutral and Earth be bonded at the meter instead of in the main panel(s) with tandem 200A main panels
In my 2014-built United States mainland home, I have two side-by-side 200A panels. They both have a 200A main breaker. One really neat thing this let me do is have two lighting circuits in the ...
2
votes
1
answer
1k
views
Grounding requirements for standby generator
I'm installing a standby generator for my son's new home build and have questions about grounding, bonding the genset.
We are installing a Kohler RXT 200 amp transfer switch between the meter base ...
- 23.1k