- Joined
- Jun 5, 2023
- Messages
- 108
This has been a good read.
I will have to double check my fab trailer wiring.
I know all my 120 outlets are wired with neutral and ground (insulated) . But my 240 is not, and I have also tied into the 240 legs for my mill DRO and one power feed inside the mill elec. enclosure.
The trailer feed is 4 wire, my genset hookup is 4, but I can not remember the power drop at one jobsite. IIRC That one is 3 wire to a separate panel w/ a 50a breaker, then info the trailer panel....I think. I know now I need to get a ground rod put in when I set it up for sure.
I am going to take my DMM and do some sanity checks with equipment running from machine frame to ground, Neutral, conduit and enclosures.
Our batch plant had a mild short to frame in one of the 100hp 480 motors, and we had 93v from the stair handrail to the mud puddle 130ft away. That was fun. Plant has 12 ground rods and still a little tickle at the stairs.
I will have to double check my fab trailer wiring.
I know all my 120 outlets are wired with neutral and ground (insulated) . But my 240 is not, and I have also tied into the 240 legs for my mill DRO and one power feed inside the mill elec. enclosure.
The trailer feed is 4 wire, my genset hookup is 4, but I can not remember the power drop at one jobsite. IIRC That one is 3 wire to a separate panel w/ a 50a breaker, then info the trailer panel....I think. I know now I need to get a ground rod put in when I set it up for sure.
I am going to take my DMM and do some sanity checks with equipment running from machine frame to ground, Neutral, conduit and enclosures.
Our batch plant had a mild short to frame in one of the 100hp 480 motors, and we had 93v from the stair handrail to the mud puddle 130ft away. That was fun. Plant has 12 ground rods and still a little tickle at the stairs.
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