Questions tagged [grounding-and-bonding]

For questions dealing with grounding and bonding of electrical installations, and the specific requirements of such.

9 questions with no upvoted or accepted answers
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Bathtub pump motor - ineffective ground through water pipe?

I opened up the space underneath my bathtub for the first time in this house. The tub is a "spa" style and has a pump motor to circulate water through jets. (I'm in NY / USA). I noticed that the ...
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115 views

Grounding for sub panel breaker

We have an old cabin with 4 fuses in the main 60 amp panel, and a sub panel with a handful of breakers. The sub panel is fed by 3 wires instead of the modern 4. The 4 fuses are all wired with 2 wire ...
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303 views

Adding pool heater to bonding of pump, salt generator, and timer

I just recently installed a heater and on the bonding lug my installer ran a green wire back inside the heater to the metal. I could have sworn that they were supposed to run a wire from the bonding ...
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74 views

How to correctly ground long distance from main disconnect to first panel

I've got a property with an existing very sluggish electrical installation which consists of a service drop at property entrance, no main disconnect and a 130' underground run to the living space (...
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70 views

How should I handle grounding & neutral bonding when replacing my sub-panel?

Current subpanel was installed in the early 70s. We think we need to replace it as lights are not working (very dim, flickering/fading in/out) - we suspect an open neutral. How do we wire in a new ...
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44 views

Momentary 'brown-out' when a motor kicks on

As a home owner, I have an ongoing issue which is that everytime any motor kicks on (refrigerator, AC condenser, sabre saw, etc.) the lights dim for a second or two. The main service is at the ...
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116 views

Repair for water damage from shower tile in plaster wall

This is my first post and first DIY Repair project. This shower is about 12 years old. At first I noticed a column of increasingly bulging 4-5 tiles near the door of my shower. The other side of the ...
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42 views

Detached garage with a 3-wire feeder

This house is being sold, a home inspection has noted that the neutral and branch circuit ground wires are landed on the same bar in the sub panel at the detached garage,it is feed with 3 wires from ...
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325 views

Do I need to ground a service disconnect

I installed a double-pole, double-throw 100A service rated disconnect off of a 100A breaker just after the meter to my home. It uses a non-switched neutral bus. I also installed a 50A power inlet on ...