MoNkEyT88 Posted February 18, 2009 Share Posted February 18, 2009 I'm running power for my Syncrowave 200. I'm going with a 60 amp breaker, and 6awg 2 wire/w ground wire. I'm running the outlet max of 10 feet from the service panel. Miller says it will draw 54 amps, but says to run an 80 amp normal operating breaker. From what I've found other places, a 60 amp breaker will be fine, with 6-2 wire. My only concern is that the only plugs there seem to be are 50AMP. Now, wouldn't I want the plug to be at least rated for 60 amp? Or because the machine will not draw more than 50 amps, because of the duty cycle that it will be okay? Quote Link to comment Share on other sites More sharing options...
theghosttanker Posted February 18, 2009 Share Posted February 18, 2009 The electrical code requires that you use a circuit rated for 120% of the anticipated load. You need to use a breaker and wire rated for 80 amps, as Miller says. Quote Link to comment Share on other sites More sharing options...
grumpyvette Posted February 18, 2009 Share Posted February 18, 2009 MoNkEyT88 check ebay theres always good deals on short lengths of , cable sizes like 2ga you can use Quote Link to comment Share on other sites More sharing options...
MoNkEyT88 Posted February 18, 2009 Author Share Posted February 18, 2009 Okay, so that's still not the problem. I've yet to see a plug rated more than 50 amps. Quote Link to comment Share on other sites More sharing options...
grumpyvette Posted February 18, 2009 Share Posted February 18, 2009 I BOUGHT AN OLDER MILLER 330 AMP TIG WELDER AT A DECENT PRICE, BUT IT WEIGHTS 900 LBS AND REQUIRES A 100 AMP FEED I saw the price of 100 amp disconnect plugs at the local electrical supply and said thats nuts! a plug and socket costs $500??? I ran into the same problem with my 100 amp feed on my 330 amp tig, the correct plug/socket listed at almost $500 at the local electrical supply (THATS TOTALLY NUTS) so I thought about it a bit and bought three of these TWIST CONNECTORS FOR WELDING CABLES http://www.fastenal.com/web/products/detail.ex?sku=0812198 theres a MALE and FEMALE END to each TWIST CONNECTOR BTW they cost me about $20 each at the local welding supply painted two red and one green ran three feed wires in conduit to a large plastic storage box with a cam loc front pannel ran a 50 foot long tripple feed cable attached to the welder inside 2" flex tube the green is ground the two reds are power, think about it a bit, it works great, I simply leave the 100 amp electrical braker off , unless they are connected to the welder and you can,t screw it up because its both color coded and the ends won,t connect wrong physically hooked up the green one from the wall connection with the extended male side of the connector extended, ran the two red feed with the enclosed female side from the power http://www.fastenal.com/web/products/detail.ex?sku=0812198 walls got two red female and one green male connector, welders got a 50 ft extension cable with two red male and one green female connector the 100 amp breaker keeps power from the connectors unless they are connected and the connections are made in a 18" plastic water resistant electrical box with a lockable lid mounted 4 ft above the floor just use the correct ga. I used 00 GA http://www.powerstream.com/Wire_Size.htm THE 50 FT TAIL ON THE WELDER ALOWS ME TO MOVE THE TIG ANYPLACE IN THE SHOP AS THE CONNECTORS ON A WALL MOUNT NEAR DEAD CENTER BETWEEN THE GARAGE DOORS NEAR THE TRACTOR IN THIS PICTURE IVE got a MANUAL DISCONNECT,in the line between the breaker and the connection box, with a big sign, (emergency disconnect) I just didn,t get into that as it seemed to complicate things in the description of the circuit Quote Link to comment Share on other sites More sharing options...
MoNkEyT88 Posted February 18, 2009 Author Share Posted February 18, 2009 What did the professor use that supported 1.21 giggawatts. That should work. I'll have to go back to 1985. Quote Link to comment Share on other sites More sharing options...
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