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the other thing ozone does, aside from effectively oxidizing the ferrous iron, is kill the iron bacteria. kind of like chlorine you get 2 benefits, but without the bleach and extra contact tank. I had a standard AIO valve on my Katalox tank and it didn't work at all, even made things worse. I...

that Hach Ha-77 is my preferred hardness & iron test kit. $120 on Amazon. that may sound expensive but once you start using it you'll easily see its a good value. you can't rely on the test strips, especially for iron they are not reliable. everyone on well water should have this kit. I'll say...

i've had a lot of experience battling iron laden well water. here's the short version: - a water softener will remove iron when its new. but salt regeneration doesn't remove the iron from the softener. fine mesh doesn't matter. over time as the residual iron builds up on the resin the softener's...

this is how I did it. the forklift rental was something like $1500/week. setting the beam only took 30 minutes, but I didn't have a roof in the way, and my gable walls were designed to carry the load. I think you are much better off just raising the ties to get the height you need. trying to...

I put in another 1/4 turn. 7.25 turns now. the door is about as perfectly balanced as it could be I think. maybe even a bit too light on the way down. it'll stay put about 1/2 way up depending on where the rollers are in the track. it goes up noticeable faster than before. here's the link that...

I found an excellent spreadsheet that calculates the lifting force for various springs/turns combinations. I think this answers my questions and explains why the door opens better/easier with the new spring. I don't know how many turns were on the old spring, but I'm guessing 7-8, so entered...

well it works better now than in the past 10 years that i've owned it, perhaps due to luck. I'm pretty sure the old spring was original circa late '80s. the one on the other door looks to be the same vintage judging by the rust, cob webs, and crud build up. what I am looking for is the...

here's the new spring installed.

I have two 9x7 doors. one spring just broke. it was a .225 x 1.75 x 29. the other door has a .234 x 1.75 x 33.25 on it. But Menards only has 2" springs in stock. so I got a .234 x 2 x 28. I put it on and wound it (28) 1/4 turns, and it was really tight. the door is still a bit heavy, but the...

pretty soon gasoline cars will be outlawed and you'll be forced to drive EVs. then you'll want the 90A service in your garage.

who said anything about cu?

you can use thwn. I think all #2 thhn is dual rated thwn. its a little cheaper than xhhw-2 and easier to pull. buy your wire from a local supply house it'll probably be cheaper than the box store and they'll spool up 4 spools for you. also, to make life easier run the outside conduit up the...

its a 7500w generator. it has a 30A outlet. I may upgrade to a bigger one with 50A outlet if it can't run my well pump and furnace at same time. i did think about the multiple feed issue, but I otherwise run an extension cord from the shed to the house to connect the generator. this is pretty...

i'm going to run a 8/8/8/10 cu generator feed to a garden shed where I keep my portable gen. in the same conduit I want to run a #12 circuit to bring power to the shed, primarily to keep the gen battery charged but also to run some power tools & lighting, etc. 1) I assume I can run the gen...

or just build a small removeable panel in the drywall, or leave a hole and cover with a faux furnace return vent, etc. many ways to skin it. or just cover it with drywall and never think of it again. sure you'll have to cut the wall open if you want to pull new wire, just like if it were romex...

My apologies to the OP for hijacking his thread. But this is a really good discussion. So on the question of when to count shared neutrals… I think I may have answered my own question. If one of the hots has no load and the other is fully loaded, then yes the neutral is carrying the full load...

I pulled the extra neutral to use for an optional future dedicated 240V circuit, although I guess that would use 2 of the hots leaving 6 hots & 4 neutrals. Right now only 3 circuits are hooked up - some lights and receptacles. Even with the rest of it hooked up there will never be a balanced...

to clarify - what column do you use for this derating? I'm pretty sure I totally violated this without knowing it. i shoved 8 hots and 5 neutrals in 3/4 emt. I was planning to put them all on 20 breakers.

what section in the NEC allows reduced neutral in a feeder for a mixed use load? I wanted to do this but was told in no uncertain terms that it was not allowed. I believe it was 220.61 that was quoted to me. so I ran a 1/1/1/6

i'd put it in EMT if running along the strapping to protect it from nails/screws when someone goes to finish the ceiling. if running between the strapping stapled to the joists you could probably get away with putting nail plates over the romex at each joist, not sure what code would say about...