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Thanks guys, I'll check these things out when I get a free moment. But it might be a week and a couple days from now.

OK guys ,I tested it with my welder and it does power it fine. Now while welding, the %of load Guage goes to 50-60. But the frequency gauge does not move. The only time it moves is just slightly up from zero when starting or when you shut down the generator. Why is it not indicating the hz output?

Would this work? I don't want to spend $200-1000 on something, just to find out there is something wrong with the generator itself. I'm not a rich man.

All I have that is 220v are my air compressor, Mayer 50lb. Power hammer and 2 welders. The compressor and hammer have identical 5hp motors on them. Everything is single phase. In my research on VFD's ,the output is 3 phase for most of them, correct? And you would of course need a 3ph...

As posted in this thread earlier, L1 was 38A and L3 was 36A. Any help?

Also the FLA on the motor is 23-22 which should be well within the capacity of the generator.

OK after much rehabilitation of my replacement shoulder and little vacation over seas, I am back to working on this problem. Now with nothing but an 220v extension cord from the generator to the air compressor (no load starting, no air in the compressor) it still instantly trips the A/C output...

Finally. I'm going to do just that this weekend. And to be clear with everyone, I DO HAVE A BYPASS SWITCH FOR THIS APPLICATION, I just don't have it installed yet.

I completely understand that and I am sorry for your loss. NO ONE and I mean NO ONE ,is going to be operating this system but me. 40+ years of working on all kinds of things, and wanting to know everything about them is how I have learned so many things. My oldest daughter recently has said I...

OK, using the generator lugs as a connection point for a 50A breaker protected circuit, with the generator breaker off and generator not running is bad how? Please explain. Is there going to be anything energized in the generator that will damage anything in it, when the circuit from the house...

Here's how it's wired. The lugs on the generator are a connection point for the cable from the house and the 'extension cord' that goes into the garage to provide 220v power for whatever I plug into it. The end of the cable at the house is connected to the fuse panel at a 50A breaker. In normal...

The other line attached to the lugs is the extension cord that goes in the garage to power the compressor. The big cable that goes into the gray conduit is the line going to the house. These cables work perfectly when the house panel is supplying power to the compressor. The lugs are just a...

I hope everyone is doing well.

OK guys, what is my next step? I tried one of my welders and it will run the cooling fan in it but I didn't try welding anything. In testing the inrush current on each leg of the output conductors, I used the 5hp air compressor motor as the load. I got 36A on one and 38A on the other leg. Is...

The discoloration looks like rust but I don't know where it came from. Same on the cable tie.

Checking at L1 38A L3 36A. Now what?

OK guys ,finally got time to work on this again ,this afternoon. Where is the best place to check the inrush to the ac breaker?

Here ya go sir.

I'll have to check. I'm done for the day. It's 92 here with feels like 98. Had to finish cutting up the 14in diameter limb that fell on my entrance cable Sunday night. Have to be in Chicago tomorrow night for Dr appointment Wednesday morning, then drive 5 hours back. So it's probably going to...

I was using this picture you posted as a reference for the amp rating on the switch. It says 100 on it 3 times.