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Unanswered Questions

13,284 questions with no upvoted or accepted answers
6 votes
0 answers
140 views

Incorrect breakers in Thomas & Betts Panel

I have a Thomas & Betts panel with 40 slots and was going about trying map out the circuits when I noticed a few suspect breakers. The entire right side of the panel contains only T&B (type TB)...
5 votes
0 answers
374 views

How do I adjust a Blum 170° face frame hinge?

My parents have some cabinets in their kitchen and the door suddenly stopped closing. It seems the bottom hinge is the issue. I tried adjusting it following this PDF but it still just won’t close. I’...
5 votes
2 answers
3k views

Is my garage door header calculation correct?

I'm adding an 8' opening to an existing 2x4 wall originally built almost 30 years ago. The wall is definitely load bearing as it currently supports the ends of 30' trusses on 24" centers. I live ...
4 votes
1 answer
386 views

Required Circuits for Waterfurnace Geothermal Unit and Aux Heater

I am pulling the permit and installing the electrical wiring for my Waterfurnace 7 Series 4-ton Ground Source Heat Pump / Furnace. These are the components: 7 SERIES 700A11 Model 048 (Reference ...
4 votes
0 answers
172 views

Can water percolation pit affect RCC column and footer

We have water percolation pits installed around the house to handle waste water from kitchen , washing machine and bathroom. I worry whether this water percolation pit can affect the RCC column and ...
4 votes
2 answers
426 views

OK to drain 2nd vanity sink like drawing? Will this meet code?

Hope you can take a look at the drawing and let me know if its ok to hook up the waste like this. The plan is to remove a section of gal at both locations in red and install a pvc sanitary tee and ...
3 votes
0 answers
86 views

How can I demonstrate to contractors that a gas pipeline is unused?

We are trying to build a home on an empty lot. There is an abandoned 6" gas pipeline running through where we are able to build it. We've done a lot of work to understand the history of this ...
3 votes
0 answers
147 views

Is it a problem that a door installer cut out most of the trimmer studs?

My contractor cut the stud around the rough opening very aggressively to squeeze a wider door in, and I wonder how bad the damage is to the structure and what the consequences are. Here are the ...
3 votes
0 answers
56 views

Does NEC 2023 require conduit mounting hardware to be listed?

I only have the NEC 2020 edition on hand, but from what I'm reading on 358.6 for EMT listing requirements: EMT, factory elbows, and associated fittings shall be listed I think it's safe to assume ...
3 votes
0 answers
78 views

How can I resolve this plumbing venting issue?

Twice in the last 5 years ALL of my drains have stopped draining at once. Plunging, snaking, etc do nothing. Water bubbles with the pressure of a plunger then painfully slowly drains. I'm 99% sure ...
3 votes
0 answers
128 views

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 ...
3 votes
0 answers
87 views

Help with 3-way switch/light troubleshooting

I've been helping a friend out to add some improvements to his house, and we've run into some issues with a 3-way switch/light setup and could use some assistance. For context, he bought the house ~3 ...
3 votes
1 answer
174 views

Reinforcing concrete wall of outdoor hot tub?

I just bought a home with a hot tub/pool in the backyard, and the hot tub is slightly elevated over the pool, and designed so that water will flow over the side of the tub and into the pool below (...
3 votes
1 answer
210 views

How would I create my own Paste Wax?

I really like SC Johnson Paste Wax for protecting my cast iron tool surfaces (such as table saws and planers). However it has been discontinued. There are other brands of paste wax but they tend to be ...
3 votes
1 answer
129 views

Cabling problems to consider at 30m

I have just had a workshop built on the side of the house and will be setting the electrics up. The question I have is based on the distance I have going from my mains inlet (via a Henley block) and ...

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