electrical question

old school truck dude · May 16, 2012, 10:04:44 PM

Quote from: xjs3667 on May 16, 2012, 08:19:58 PM
Quote from: old school truck dude on May 16, 2012, 08:02:56 AM
120/240 means it can be wired either way depending on how many hots you use. 240 = 2 hots, 120 = 1 hot. Its not that complicated, just think of it like truck electric, its just AC instead of DC but it still works the same.

true but since its on a jenny and being the same plug, I would imagine it would have a switch, I couldn't see someone making a generator that you would have to rewire the plug every time you would want to change from 120 to 240??

It should be labeled on the jenny. Im just sayin be careful and look at things closely.

xjs3667 · May 16, 2012, 10:07:15 PM

^^ x2

Captn. J · May 16, 2012, 11:40:48 PM

i didnt see no switch but i plugged it in and the hoist went up n down no problem ... i m gonna do same thing for my air compressor until i get the 220 ran underground

Captn. J · May 17, 2012, 03:48:18 AM

looks like working fine now one more thing i wanna use my big air compressor as well and it has black yellow and green wires so would u say the black and yellow is the "hot" wire and green will be the netural ?

xjs3667 · May 17, 2012, 04:16:39 AM

Quote from: Captn. J on May 17, 2012, 03:48:18 AM
looks like working fine now one more thing i wanna use my big air compressor as well and it has black yellow and green wires so would u say the black and yellow is the "hot" wire and green will be the netural ?

yes, on 240v green is always ground, black and yellow are the 2 hot wires. good to hear you got the hoist going

old school truck dude · May 17, 2012, 07:43:20 AM

Quote from: Captn. J on May 17, 2012, 03:48:18 AM
looks like working fine now one more thing i wanna use my big air compressor as well and it has black yellow and green wires so would u say the black and yellow is the "hot" wire and green will be the netural ?

Yes but it is "directional" because the motor is designed to turn in only one direction. Hook it up but look to see if its runnin backwards. If it is, swap the yellow and black with each other.

Crazymays77 · May 17, 2012, 10:34:46 AM

Directional is only on 3 phase. So u r fine.

Captn. J · May 17, 2012, 01:51:34 PM

how will i know which way it should spin? i will look into it and get the specs

old school truck dude · May 17, 2012, 10:43:36 PM

Quote from: Captn. J on May 17, 2012, 01:51:34 PM
how will i know which way it should spin? i will look into it and get the specs

If it bulids air pressure, then all is good

Crazymays77 · May 17, 2012, 11:40:58 PM

there might be an arrow on the pulley maybe. but it should only spin one way anyways. im pretty sure you cant wire it backwards since you only have 220 single phase. 3 phase you cant i know that.

xjs3667 · May 18, 2012, 04:23:14 AM

no you can not wire it backwards...... its AC current....... if you hook DC current backwards it would spin motor backwards

old school truck dude · May 18, 2012, 09:42:29 PM

Quote from: xjs3667 on May 18, 2012, 04:23:14 AM
no you can not wire it backwards...... its AC current....... if you hook DC current backwards it would spin motor backwards

Actually, it CAN be hooked up backwards. In the shipyard, Ive had fans and other things runnin backwards till I swapped the legs (wires) and got them goin the right direction.

xjs3667 · May 18, 2012, 10:51:20 PM

Quote from: old school truck dude on May 18, 2012, 09:42:29 PM
Quote from: xjs3667 on May 18, 2012, 04:23:14 AM
no you can not wire it backwards...... its AC current....... if you hook DC current backwards it would spin motor backwards

Actually, it CAN be hooked up backwards. In the shipyard, Ive had fans and other things runnin backwards till I swapped the legs (wires) and got them goin the right direction.

That would be because it goes into a bridged rectifier on them, them hoist motors dont have that.