Oh, right! Your blendmount solves that part nicely!

I'd toss a nut on the threaded rod to lock the coupler in place and use a little loctite.

https://www.boltscience.com/pages/twonuts.htm

That is what roll pins or taper pins are used for. You likely don't have a tiny taper reamer so use a roll pin.

My preference is a jam nut. Just put another nut on and tighten it, ideally one on both sides of the connection. They use it for tie-rods on cars, it should hold the table saw.

Main advantage is it's easy to take apart, And doesn't require drilling or tapping what you have

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Thank you this is really helpful

Thank you this is really helpful, fundamentally it will get rained on so might need a different solution.

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Did you read what I said before you downvoted me?

I read what the OP posted and felt it was important to add a disclaimer for the house to steps connection.

Edit: we are also both assuming concrete steps. But the OP doesn’t even say what kind of steps they are.

Try asking the printer for a refund or something since the cards are defective.

Thats not what OP said though, he said holes IN THE STEPS, not the joint between the steps and the house.

I was thinking that but I’m scared it will melt them. I’ll give it a go anyway

Use orange loctite...strength of red...removal ease of blue

You could try ironing then. Put a towel over the card, no steam, and quickly pass the iron over the cards.

This, BTW, is just a guess.

Agreed, from what I've read, the sub 1-micron is the worst for you health-wise, and as mentioned here, invisible to the naked eye. The more filtration/air changes, the better. May be worth looking into grabbing a Dylos or equivalent air quality monitor to make sure whatever measures you're putting in place are actually working the way you think they are. I believe mine measures down to 0.3um?....a couple hundred bucks invested in having healthy lungs in the future is a bargain in my world. Also a big fan of cyclone + venting the DC outside but I understand that isn't always possible.

If it’s the gap between concrete stairs and a home you NEVER use mortar. The home and stairs have different thermal expansion characteristics. You need a sealant that remains soft and pliable.

Oh I was talking about a smart switch, sorry if I wasn't clear.

I corrected this prior to your comment but thanks anyhow.

This is the correct answer for this climate zone.

Every one I've seen has been plugged into a switched outlet.

False. Current code only requires lighting switches to have a neutral, and even then there are 7 broad exceptions listed in the code, and 3 of those exceptions could apply here.

404.2(C).

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I used to install these for a living. Do not share the electric with other things or you risk shorting them if the motor in the garbage disposal stresses, such as if you drop a fork down the drain and it jams. You are much better off just plugging other stuff in elsewhere. Not every electrical source can or should be multipurpose, because fewer things will be affected if there is a complication on a closed circuit. Appliances will cause complication more often than any other thing you plug in, and you probably don’t want that to fry your laptop or stereo system, so they should really just get their own plug.

Neutrals are not required in "every" switchbox now. They are only required for switches controlling lights. Even then, there are seven broad exceptions listed in the code.

Look up NEC 404.2(C).