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    NEC 2017: Two voltages on 2-pole breaker (not mwbc)

    Friends just bought a new-to-them house and I've never seen this before. He's got 2-pole 20A breakers supplying three circuits: Two 120V and one 240V circuit. Not mwbc, he's got three 12/2 wires going to each breaker, two 120v are hot-to-breaker then neutral/ground to bars then one 12/2...
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    Structural values for roof spray foam insulation?

    Doing some snow load and wind sheer numbers for solar panels. I think I've boxed myself into a corner. If I can't use structural values for spray foam insulation I'm going to have to go with shorter rafter/truss spacing and that's going to be a pain in the balls because it means custom panel...
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    Magnetic Dial Indicator Bases

    I've never owned one. I'm a weekend warrior by trade. Is Starrett still the brand? I'm fine with buy once, cry once. Don't need something that can take daily abuse but I'd like to pass it on to my kids someday. What is the good "go-to" these days? Thanks.
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    Free stuff in RI

    I have two Emglo compressors. Motor, flywheel, intake/filter/can and that's it. Free. Gillette brand 4250W alternator power head. Free. Five Beckett AFG oil burners. Very good condition. Excellent if you need one as spare for your home. Free. APC 42u & 48U racks. Free. They aren't rough...
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    Table Saw Wiring (cord, plug, switching, not motor wiring)

    Old Delta machine. is a picture of similar model. Motor is 3/4hp Westinghouse. Plate says 115V @ 10.2A or 230 @ 5.1A. I got it in pieces and it didn't come with any wires or an on/off switch. Motor will run 230V so I think I could probably cheat down to 12 gauge. No clue what inrush is (not...
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    Unorthodox LiCad battery charging

    I don't know a darn thing about NiCad batteries. Sticker on the back says NiCad 1000mAh, 7.4V, 7.4Wh. It's from a marine VHF radio. This is important to me, I f'd up and forgot the wall-wart & charging cradle at home and need to charge this in a hotel tonight. I have car with cigarette...
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    Metal brake: 1/2" OD bend radius?

    I have a small ~40" manual/hand brake. I just drew up and cut out cardboard for airflow baffles surrounding an air compressor. Is there an easy/cheater way to bend 18ga sheet metal to something like a 1/2" or maybe 5/8" radius? I've never done this before so I'll do test pieces. I understand...
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    Experience with el-cheapo voltage transformers?

    Trying to run a 12vdc CPU fan on 208-220vac. Alibaba, eBay, Amazon, etc. have $10 contraptions like this: https://www.ebay.com/p/AC-110-220v-to-DC-12v-3a-36w-Volt-Transformer-Switch-Power-Supply-Converter-US/22025389281?iid=123463129187 I want to put it on an air compressor. It's a 2-cyl...
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    Portable generator just caught fire

    It was free on Craigslist. Guy was getting rid of something totally unrelated and said "hey are you interested in a generator?" Of course I said yes. Today I spent about 2 hours cleaning up the motor & carb (briggs 8hp gas). It fired right up (as expected). There was a dead mouse in the...
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    Garage door dog gate questions

    There are 1000 pics/ideas but looking for something slightly different. We have two: One is 20#, smart, barks at everything and not scared of small spaces. If there's a small hole or gap she'll find it and break out of jail. The other one is a 50# brute. She's not smart and jumps/pushes/pile...
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    Residential code: tap into condensate line?

    Can I add a Wye into our central AC condensate line or do I need to add a second line? Existing drip line for house central AC is dwv pvc, I believe 3/4. Just want to add a drain to the back of the dehumidifier tank. Thanks.
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    Ideas for worthwhile hydraulic or pneumatic projects?

    I recently found myself bringing home several hydraulic pumps (110v electric motors) with reservoirs, a few compressor/vacuum pneumatic pumps (also all 110v), various hoses, pistons, fittings, switches, dials, regulators, gauges, etc. All the stuff is pretty small. Nothing near log spliter size...
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    Rebuild compressor that got water in it?

    Water got in air compressor's cylinders and wondering if I need to rebuild it or if I can just change the oil and run it. I've never rebuilt a compressor so don't know much about them. Compressor is a 1984 twin-cyl Devilbiss D27194 off a 4hp Craftsman 20-gal horizontal. Neighbor gave it to me...
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    Gillette 4250W Alternator power head

    Are they any good? No idea if it works, it's just the power head without anything attached to it. I understand the difference between a generator and an alternator. It was free and I took it thinking I could attach a bigger motor to several power heads but this thing is going to need a full...
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    Frankenstein compressor worth it?

    I've been using a mfg date Aug 2015 Craftsman single stage oil-less 1.5hp 26-gal vertical compressor. It is what it is and I'm not very happy with the performance. I have a bunch of other 1-stage compressor parts and wondering if it is worth it to try and make something decent or just sell off...
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    Electric motor rebuild for horizontal metal bandsaw

    It's a Wellsaw model 600. I got it for free. He said it worked fine when they put it in storage, had been in storage for over 10 years, he had listed it on CL, found a buyer but when they plugged it in the motor sparked, buyer was no longer interested... and I'm the sucker who has it in his...
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    Casters for tool stands/bases?

    I'm building five mobile tool bases which is 20 wheels/casters. I have two more to build (total 28 casters) and I'm probably forgetting something. Is HF best place to go? Alibaba? HF is fine but if you buy 50 casters the 20% coupon only applies to one caster and I don't want to do 50...
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    Propane grill tanks

    Local mom & pop hardware store used to recycle old tanks back to their gas supplier. They changed suppliers and the new supplier does not take back old tanks for reconditioning. I was offered six++ pallets of 5-gal tanks. (free) Guess: 125-150 tanks. I could use them for a job/project I have...
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    Slope on 275gal oil tank re-install

    I have a 204201 Granby 275gal oil tank. Made in Canada, November 2009. (NO RUST, IT'S FINE, I AM NOT BUYING A NEW TANK) It's a vertical (oval is up & down) install. It's been a while since I read the owner's manual/install instructions. I remember it said you want a slope towards the...
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    Worth it to build belt/disc sanders or buy?

    For those of you who have built your own belt or disc sanders, if you had to do it again would you buy or DIY? I had a radial arm saw that broke. I used to use the 10" sanding disc accessory on the RAS all the time for both wood and metal. I've also wanted a belt sander for a while. The motor...
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