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  1. M

    GFCI in Ceiling Receptacles

    That had already been stated in earlier comments. Why I said "One more reason..."
  2. M

    GFCI in Ceiling Receptacles

    One more reason to direct wire the compressor: you dont want to create the opportunity for someone to accidentally plug a welder or powder coat oven into a 50 amp receptacle that is at the end of #10 wire with 50 amp breaker.
  3. M

    What to put under rubber mat on basement floor to prevent water under mat?

    Sounds like you have a slab without underslab vapor barrier. While not ideal, there are epoxy vapor barriers that can be installed on the top of the slab. This article provides some info but neglects to mention that you cant seal a wet slab. You need to double down on dehumidification for a...
  4. M

    Grading a 2 acre lot?

    Before bringing in thousands of yards of fill to make things drain toward the street ditch, might want to talk to the agency responsible for the road. Chances are the ditch was sized only to provide drainage for the road and they might not allow diversion of large amounts of water into their ditch.
  5. M

    Sunburn from LED lights?

    Just a guess: take a benadryl. Sunburn is unaffected by antihistamines.
  6. M

    Purchasing Plywood from Individuals???

    It depends what you want to use it for and what the price is. I bought 1/2" CDX seconds for $1/sheet, to use as shimming material. It had been made with a bad batch of glue. So even though it had all of the official APA ink on it, it was not structurally sound. Several sheets delaminated...
  7. M

    Second Floor Lift With Pre-fab 10" Concrete Planks

    If you can track down the manufacturer, you can probably get a load vs span table for those planks, but it is unlikely there is an approved or advisable detail for installing anchor bolts into the planks. If you budget includes engineering time and custom fabrication, you can probably...
  8. M

    Educate me on pipe heating cable for PVC

    That looks like ChiCom knock-off non-self regulating tape. At least there wasn't a fire. With that kind of tape if the thermostat is in a cold place and the heat tape is under insulation it will put out max power forever, or until something fails. Consider replacing the tape with genuine...
  9. M

    Garage doors pouring water inside through panel seams

    Do you trust the 4 experts who said your flashing is ok? Maybe it is just an illusion but your photo makes it appear that the top of door flashing is directing water inside the wall. Normally a "J" channel protrudes from the plane of the siding so that water can run out the ends. And if that...
  10. M

    Double nut

    Lots of things changed since I went to school in the 1980s. Counterfeit bolts are commonplace these days. I have seen 1" supposedly high strength bolts snap off when being snugged up with a hand wrench. The counterfeits are house blend alloy with the specified bolt grade stamped on the head...
  11. M

    LED Wall pack experience

    I use https://www.e-conolight.com/c-lite-led-full-cutoff-architectural-wall-pack-c-wp-a-arfc-lg-4l-series-3000k-dark-bronze.html, though I think it was replaced by a newer model. It is full cutoff so directs light down low. No glare when you are approaching the building. Photo at night shows...
  12. M

    Double nut

    Like anchor bolts, quality threaded rod is designed to stretch plastically before it snaps. This is why threaded rods and bolts used in structures sometimes appear loose after an earthquake. With enough cyclical loading it can fail in a brittle manner and you would expect that failure point to...
  13. M

    GLUE IT!!!! What to glue/what not to glue? Ceiling sheathing? Ceiling drywall? Wall drywall? Sistered floor/ceiling joists?

    If it is an area likely to need a repair in the future, I avoid glue because it will significantly complicate the repair. Examples of areas conceivably needing repair at some point are 1) anything immediately below a roof, and 2) anything involving sheetrock.
  14. M

    200 Amp Main Install

    250 wire probably only needed if your calculated loads are over 180A. Last time I installed a garage feeders my loads were calced at 180 A total and it was ok to use a 200A breaker and 4/0 current carrying conductors. Obviously best to check with AHJ before buying your wire.
  15. M

    Footer vs Footing, Piers vs Caissons, ...regional Construction terminology?

    And in areas with huge rodent problems it is a thin, like 1" thick, slab pumped into a crawl space and troweled flat. Keeps critters from tunneling in. Usually placed over plastic to help reduce vapors in the crawl space.
  16. M

    High lift and door seal issues..

    You could replace the outside weatherstrip with a 45 degree weatherstrip. Much more tolerant of parts of the door that want to snag on the weatherstrip. The 45 degree retainer can be used with EPDM or brush seal inserts...
  17. M

    Steel box mud rings and covers

    Once installed, the mud ring screws are kind of like the spot welds that hold the steel box together (which you typically wouldn't be grinding out and rewelding).
  18. M

    HVAC Surge Protector - Yay or Nay?

    Everyone buys surge protectors for lightning but the only time I know for sure that a surge protector worked at my house was a result of a floating neutral issue. Two surge protectors died during that incident. An outlet strip got smoked but put up enough of a fight to trip a 20A branch...
  19. M

    Wiring a metal garage structure. How to run the wire?

    I think code treats MC slightly better than romex, since there arent readily available romex staples for metal framing and as far as I know there is no listed bushing if the romex needs to pass through a hole drilled in the framing.
  20. M

    Fire safety part 2 - when it happens

    If you have never actually used a fire extinguisher to put out a fire, that is good experience to have. My local FD had training for homeowners that involved guidance re: where to aim the spray and an opportunity to actually discharge a fire extinguisher.
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