Questions tagged [bonding]
30 questions
8
votes
1 answer
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 is no bonding between the neutral and the box. I…
Bill
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3
votes
1 answer
Does an original service disconnect without neutral bonding violate code?
Single family home built in 1987. Question is regarding the as-built: Is it grandfathered and does not be updated?
There is no neutral-ground bond in the 100A breaker equipped main service disconnect located outside next to the meter box. Only the…
evolvingpowercat
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3
votes
3 answers
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 this was allowed, and I run across it in the field…
Nicknamednick
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3
votes
1 answer
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 do not see one. The only wire going to the pump…
Justin Pihony
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3
votes
1 answer
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 connections made with the 6 ga in a number of 4x4 steel junction…
Armand
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2
votes
1 answer
Bonded Generator, Transformer, Bonded Service Panel
This forum has extensively fielded questions on the requirements for interconnecting the home electrical system with a portable generator with an intact neutral-ground bond. From what I can recall, the options seem to be to sever the generator’s…
aerospark
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2
votes
1 answer
question about neutral/ground bonding when a generator runs a furnace
Looking to power my gas furnace blower with an unbonded inverter generator. Furnace has a hard-wired on/off switch (like a light switch) at the furnace. I don't want to power the circuit at the main breaker with a transfer switch for reasons.
I've…
jourdin.antonius
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2
votes
3 answers
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 and neutral bars were isolated, but the ground bar…
user118344
2
votes
2 answers
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 basement, so that I can work on a panel with the main…
Billy left SE for Codidact
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2
votes
1 answer
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 and the main panel servicing the home. The…
George Anderson
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1
vote
0 answers
Bonded generator ground connection
I have a bonded generator used for emergency backup for my home. Instead of trying to figure out how to internally trying to unbound it, what if I would only connect the two hots and neutral to my main panel but not connect the ground?
Bill
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1
vote
1 answer
Sealant between Bilco Bulkhead Door and Cement Base for Water Infiltration - Colder Temperatures
Looking for some guidance on a sealant/caulk that I can use between a Bilco basement metal door, and the cement base it sits on. Temperatures are between 27°-50°F in the swings from night to day, so I need to use something that can cure while…
RocketManZ
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1
vote
1 answer
Will a MS Polymer Sealant bond to both PPE (polyphenylene ether) plastic and concrete to create a submersible watertight seat?
I'm researching a waterproof sealant that that will bond PPE (polyphenylene ether) plastic to concrete. I embedded a PPE channel drain section in concrete for use as an intake for a pond pump (pictures available). The basin is seeping water and i…
DaSam
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1
vote
0 answers
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 ft away on the remaining side. The electrician…
xrabbi
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1
vote
2 answers
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 meter main is also considered a Subpanel and there…
Daniel
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