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43 votes
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Is this correct? Welder suggests 15A outlet on 20A breaker, or 20A outlet on 30A breaker

You're correct that 20A receptacles are not allowed on 30A circuits. 30A receptacles only. The manufacturer is competent and the item is UL-listed. What the UL-approved instructions really mean is ...
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41 votes

What is this welding tool I found in my attic?

According to an ozzie web site, it's a non-flint electronic spark lighter.
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  • 9,466
31 votes
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Steel welding options for a remote property?

I would look at drilling and tapping the hole then screwing a new handle in.
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23 votes
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How to polish welding at 90 degree curves?

That welding would be termed by one of my instructors as “bird droppings”... It needs to be done properly where the weld joins and fills the 90 gap evenly and is called a fillet weld. Get them to ...
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  • 21.6k
21 votes

Steel welding options for a remote property?

Given your lack of welding experience and the tricky nature of the welding you'd need to do: Bolt a new lock onto the door, forget this one / optionally cut or grind it off. Welding options other ...
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  • 139k
13 votes

What is this welding tool I found in my attic?

It is a electric striker for lighting a oxy acetylene torch , I have the same one, I bought it about 30 years ago.
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12 votes

Is this correct? Welder suggests 15A outlet on 20A breaker, or 20A outlet on 30A breaker

Generally the NEC prohibits 20A receptacles on 30A breakers, but Instructions are part of the NRTL Listing (UL/CSA/ETL), and override general NEC provisions. So if the product is listed it's code ...
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10 votes

How to polish welding at 90 degree curves?

A rule of thumb is that a good weld looks good . Your base metals look like stainless ; If it is strongly magnetic it is ferritic or martensitic. If one of those the welder must use the right fillers ...
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10 votes
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Outdoor 50A welder outlet best practices?

First and foremost, use a NEMA 6-50 or 14-50 outlet - never a 10-50 outlet, which has neutral and does not have ground. (super bad). For some reason, welder enthusiasts have "adopted" the ...
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7 votes

Steel welding options for a remote property?

I would consider epoxying this one into the unlocked position, then adding a new one with a carriage bolt through from the outside. Epoxying this one unlocked eliminates it as a source of nuisance ...
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  • 31.2k
7 votes

I need to be able to run a 220 volt stick welder DC with on least 140 amps from my truck

That's not gonna happen. What you want to do is run your welder off the starting battery of a gas/diesel car. That's impossible, that battery cannot produce enough power to do that. Electric could do ...
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6 votes

What do the numbers on stick electrodes mean?

Those are classification codes, the most common in the US being the American Welding Society (AWS) numbering system. You may see labels such as AWSE6011, E6011, or simply 6011. These values all mean ...
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  • 129k
6 votes

How unhealthy is arc welding?

Breathing the vapors is not a good thing. Especially with galvanized metal. It is important to have proper ventilation. Many times when working indoors I use a small fan pointed above the work to move ...
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  • 100k
6 votes

Help: Wiring 220V in garage to NEMA 10-30r because MIG welder and air compressor have 10-30p

You can't install a 10-30R. That's off the table. The question is whether you can install a 6-30R with hot-hot-ground wires, or run hot-hot-neutral-ground wires and install a 14-30R. You need ...
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6 votes

Steel welding options for a remote property?

I think you might be waaaay over-complicating this The pictured shoot bolt can't possibly be for security, as it could probably be pried off with pliers, or defeated in a couple of minutes with just a ...
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5 votes

How unhealthy is arc welding?

Although proper ventilation is probably the most effective defense against breathing metal fumes, I believe that P100 respirator cartridges (the soft pink discs that fit onto a standard half- or full-...
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5 votes

Attach aluminum tube securely to base without welding/soldering?

I would use an aluminum safety rail floor flange. Something like this Hollaender 45-5 square floor flange:
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  • 954
5 votes

Steel welding options for a remote property?

As others mentioned, bolts are better option in your case. But for other purpouses: Where I live (Bulgaria, Europe) it is pretty much popular to rent a generator, welding equipment, concrete mixer ...
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  • 2,312
5 votes

Welding electrode diameter suggestion?

In my humble opinion, 8mm rods are way to big for 16 gauge mild steel. You'd need about 250 Amp for that size rod and you'd melt your stock. I wouldn't use a rod any bigger than 1/8". You'd need 50 to ...
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  • 57.4k
5 votes

Brazing rebar not heating enough

It appears you do not have enough heat energy available. MAPP gas can be used in combination with oxygen for brazing but it appears you do not have the oxygen part. Generally oxygen/acetylene or air/...
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  • 3,720
4 votes

Stick welder shut off

If it restarted shortly after cooling, you may have exceeded the duty cycle. The duty cycle on the spec sheet lists it as 65% @ 110 amps and 35% @ 140 amps. What this means is at max power you can ...
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  • 10.9k
4 votes

Can I use "Southwire E51583" AWG 8 wire on 50amp breaker?

#1. Anytime you're into #10 or larger copper, there are better alternatives. #2. Use a receptacle that is rated for 75C thermal, and aluminum. There is nothing wrong with aluminum wire at these ...
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4 votes

Posts for gates?

With an outreach of 12' you better be putting a wheel on the end of it.
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  • 11.7k
3 votes
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First time welding - how to connect this steel sheet and tube better?

Because you're just piddling globs of molten welding rod on top of the steel. That's not welding, that's metal deposition. You need to read more on how to weld and get more practice, because the ...
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3 votes
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What to do when the cold water valve on the water heater is welded on?

I think you mean soldered? A picture would help, a lot. There should be a flexible line going from the valve to the pipe system that detaches by loosening the hex-nut fitting. If there isn't a flex, ...
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  • 12.9k
3 votes

Building a No-Weld Trailer Chassis

In my analysis your design is not going to be adequate. Here are the main points: Box steel with just 3mm thick walls can deform when squeezed under bolting pressure or when subjected to torsional ...
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3 votes
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Is a gasless MIG welder a contradiction in terms?

It is a "MIG" (Metal-Inert-Gas) welder in the sense that it does have a shielding gas for the weld - but the shielding gas comes form the flux core in the wire being vaporized during the welding ...
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  • 5,130
3 votes

Steel welding options for a remote property?

For the ultimate in danger and minimum in life expectancy, it is possible to do some janky stick welds using a couple car batteries wired in series. Some off-roaders are known to carry along a couple ...
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  • 133
3 votes

Steel welding options for a remote property?

One option is brazing, i.e. soldering with brass or other semi-hard metal. Its durability is somewhere between epoxy and welding. First you'll need to clean the pin and the hole really well, with a ...
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  • 1,040
3 votes

Mobile welding - need a specific generator?

A welding unit needs a power source compatible with its power requirements. For the Miller Multimatic 220 AC/DC, that varies with your intended usage and amp draw. If you're intending to stick weld ...
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