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    Shop fan ventilation specs

    My shop is 36x36 with the peak at 18 ft and 12 ft side walls. No roof insulation -- 2 inch blanket insulation on the walls. Ridge has a vent full length and about a 2 inch gap in the sheathing at the peak for that entire 36 ft length. Things get hot in the summer and I'm considering...
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    How difficult is it to replace roof vents on an otherwise sound roof?

    Question for those with good roofing knowledge: The roof on my house was replaced in 2018 just prior to me purchasing it. The shingle job is fine and they used good heavy comp shingles. The problem is that all of the attic vents, plumbing vents, and fan vents are really cheap plastic junk and...
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    Knurled Head Thumb Screws for battery doors?

    I have so many devices that take batteries (think clamp meter, crane scale, multi meters, etc.) that have tiny philips head screws for the battery door/cover. I'd like to replace these with knurled thumb screws as I always take the batteries out of devices when I'm not using them to prevent...
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    Share your source for affordable (that is, relatively inexpensive) pig mats

    For those who somewhat regularly buy pig mats, what's your best and least expensive source?
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    "Oops, we ran into some problems"

    I've been trying to post a 100KB jpeg photo in one of my posts all day and I keep getting the message "Oops, we ran into some problems." Anyone know what do do next to correct this? Thanks!
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    Momentary vs Maintaining foot switches: Which one and why?

    Just picked up a portable band saw and stand and an auxiliary switch looks like a needed addition. Having read-up on foot switches, I see that there are basically two types: the momentary and the maintaining. For those with the momentary switch that requires constant foot pressure to keep...
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    Flue pipe -- what am I dealing with here and how to fix?

    I had a wood stove removed and a propane stove installed about 5 years ago. I had the outfit from which I bought the stove do the install. As you can see from the photos, there is a piece between an upper and lower pipe that is rotting out. That piece looks like a coupling of sorts. If I...
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    Remember the Cut50 plasma cutter group buy in 2015? Just got around to unboxing mine...have a few questions...

    I'm sure that I get the procrastinator's award for having the CUT50F plasma cutter sit unopened since the group buy in 2015...but hey, I get around to everything eventually! Life got in the way, moved, built a new shop on the new property (that took 5 years with permitting and Covid) but now...
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    Is there any difference between the 10 and 20 gal California Air Compressors beside the tank capacity?

    I have a CAT 10 gal "quiet" compressor (10020c) that I like well enough. I wish I had a 20 gal though. When I look at the CAT website and review the specs between mine and it's 20 gal counterpart (20020), it appears to me that they are the same compressor just with different tanks attached...
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    Trying to figure out what breaker I should use for a welding circuit...GFCI or not

    I want to wire a 240v receptacle at my panel for a mig welder and a plasma cutter, both of which are rated under 30 amps. When I priced out a 2p 30 amp GFCI breaker for my Eaton CH panel, I nearly choked. They're like $150! A standard 2p 30amp is under $25. In the next year or so, I'll run a...
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    MaxJax hydraulic cylinder bleeder bolt stripped -- what's the fix?

    The bleeder bolt on the top of one of the hydraulic lift cylinders on my MaxJax is weeping. When I went to snug it down, it wouldn't tighten -- it remains "soft" and seems stripped. I'm unclear how to approach a fix. It's not a big deal as the lift still works fine but is a little messy as it...
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    Will OSB beef up crappy particle board shelves?

    I've got a couple of those boltless steel rivet shelving units that I'd like to make functional for storage in a utility building. These are 18" deep by 3' wide units with 4 shelves each -- total of two units. They have those crappy 3/4" particle board shelves which are bowing under use, of...
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    Can I frame off of these trusses safely?

    I'm trying to figure-out whether or not I can safely frame off of my two center trusses in order to hang a 10 ft wide, 50 lb ceiling fan. My building has a truss at each gable end-wall, and then two interior trusses that split my 36x36 into 3) 12 ft sections. I'd like to hang the ceiling fan...
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    Quick questions on wire size and associated greenfield size

    Quick questions for the electricians in the group: Wiring a 12 KV electric unit heater. I understand that I need #4 copper from 70amp 2p breaker. What is the wire gauge needed for the associated ground? Can I use #8? Will I need 1 inch greenfield for that run of wires or can I fit it in...
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    What kind of bearings am I seeking?

    I'm somewhat illiterate when it comes to bearing terminology. Hoping someone will set me in the right direction. I have two stabilizing jack stands like this used for front/rear stabilization when my vehicles are up on the two post lift Stabilizing Jack Stand They have a bearing set at the...
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    In a pickel -- any ideas to help extract this tiny sheared-off screw?

    This is a dog fence collar receiver I just got on a warranty replacement. I then proceeded to over tighten and shear-off the stud that attaches it to the collar as you can see in the right of the two threaded holes. Any creative ideas on how to get that sheared-off stud out? The piece that I...
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    An Affordable Large Fan Option for Garage/Shop

    I'm a big fan of big ceiling fans for my work spaces. Like in a home, air movement discourages mold, dampness, and cold spots, de-stratifies the air and, for those without AC, helps somewhat in the summer with cooling. Over on the Green Tractor Talk forum, a member posted about an affordable...
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    Need some help/advice with garage door openers on new build - tight space!

    I’m hoping the garage door gurus can weigh-in on some questions I have regarding openers for two new garage doors. The building is a new 36x36 post construction with steel-sides/roof (pole barn) and is fitted with two, 10x10 overhead doors. The interior is open with trusses and perlins exposed...
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    Help figuring out voltage drop

    I'm trying to figure out voltage drop for lighting wiring (two banks of LEDs, each bank is 650W / 5.4 amp). Distance to switches from the panel is 60 ft. Distance to the last fixture in each bank from its respective switch is 50 ft for one bank and 70 ft for the other. I was hoping to feed...
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    Overhead Fixture Wiring - Hanging and Surface Mount Question

    Questions for those that know the electrical code better than I do! I have a mix of 8-ft LED strip lights I'm installing in my shop: 6 are surface mounted on the truss bottoms and 4 are hanging from jack chain over open floor. I intend to wire them in two banks of 5 fixtures. All of my...
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