Greetings! I've lurked for a bit, and it seems like my kind of place... I've been fitting out my garage as a shop over the course of the past few years, and finally got serious this year. I've reloaded .40 and .223 last year, but have upgraded my shop from general woodworking and automotive up to more metalworking stuff.
I now have a lathe, a mill, and just last week, a new-to-me Miller Syncrowave 250, which as of tonight, I am actually sure it works
I do have a few questions that I'd like some help with:
1) Right now, my welder is connected directly into the panel, into it's own 100A breaker via 6/3 stranded cable, which is exactly what the manual recommends, aside from a disconnect. I need to chase the cable through a hole and clamp still, it's just tucked behind the panel cover right now. My question is, 3 wires or 4? The syncrowave manual for my serial number ONLY shows 3 wires for a hardwired 220 connection on the hookup diagram. The only thing 'grounded' is the disconnect to the panel, but does NOT show the welder grounded to the disconnect. OTOH, the RF/shop grounding diagram, does show the chassis grounded, along with everything else metallic in the shop. What to do?
2) I'm building a cooler, and right now have a pump and bucket system recirculating. Works fine. My question is this. If the torch lead is in contact with the water, and the water goes to a tank, and the tank is sitting on the welder, and the welder, you know, ever touches the workbench, and the workbench is clamped to the ground, isn't that bad? That would be a complete circuit, assuming the water is even slightly conductive, and is the path of least resistance. Miller's coolant is 'low conductivity', implying that it is 'slightly conductive', and if I were to put in distilled water, in a year, it would be slightly conductive as well, just from the torch and fittings contaminating it. Just seems like bad juju. What am I missing?
I'll save my other questions for other threads and other days, these are the safety ones.
I now have a lathe, a mill, and just last week, a new-to-me Miller Syncrowave 250, which as of tonight, I am actually sure it works
I do have a few questions that I'd like some help with:
1) Right now, my welder is connected directly into the panel, into it's own 100A breaker via 6/3 stranded cable, which is exactly what the manual recommends, aside from a disconnect. I need to chase the cable through a hole and clamp still, it's just tucked behind the panel cover right now. My question is, 3 wires or 4? The syncrowave manual for my serial number ONLY shows 3 wires for a hardwired 220 connection on the hookup diagram. The only thing 'grounded' is the disconnect to the panel, but does NOT show the welder grounded to the disconnect. OTOH, the RF/shop grounding diagram, does show the chassis grounded, along with everything else metallic in the shop. What to do?
2) I'm building a cooler, and right now have a pump and bucket system recirculating. Works fine. My question is this. If the torch lead is in contact with the water, and the water goes to a tank, and the tank is sitting on the welder, and the welder, you know, ever touches the workbench, and the workbench is clamped to the ground, isn't that bad? That would be a complete circuit, assuming the water is even slightly conductive, and is the path of least resistance. Miller's coolant is 'low conductivity', implying that it is 'slightly conductive', and if I were to put in distilled water, in a year, it would be slightly conductive as well, just from the torch and fittings contaminating it. Just seems like bad juju. What am I missing?
I'll save my other questions for other threads and other days, these are the safety ones.