20 amp 240 volts

Reply

  #1  
Old 07-22-05, 03:46 PM
jcbpilot99
Visiting Guest
Posts: n/a
20 amp 240 volts

I've wired a new circuit for a 20amp/240volt table saw using 12/3 wire.

The wall outlet that I bought is rated for 20 amps/240 volts and has one vertical slot, one horizontal slot, and one ground pin. It also only has connections for three wires on the back (two brass screws on either side and a green ground screw). Of course with 12/3 wire I have four strands to deal with (red, black, white, ground).

Do I double up the red and black on one brass screw terminal? Or, do I attach the red wire to one brass screw terminal, the black wire to the other brass screw terminal and the white and ground wires to the green ground screw terminal?

Is the 12/3 wire even required for this application or could I have used 12/2? If this is the case, can I cap off the white wire with a wire nut on both sides, if this is what code requires?

Thanks in advance,

Justin
 
Sponsored Links
  #2  
Old 07-22-05, 04:03 PM
Member
Join Date: Sep 2000
Location: United States
Posts: 18,497
You wasted some money on the 12/3. 12/2 would have been sufficient. So just cap off and don't use the wasted white wire.
 
  #3  
Old 07-22-05, 04:05 PM
jcbpilot99
Visiting Guest
Posts: n/a
Thanks. Harry Homebody learns a lesson.
 
  #4  
Old 07-22-05, 04:07 PM
jcbpilot99
Visiting Guest
Posts: n/a
Is the black wire connected to the vertical or horizontal pin by convention?
 
  #5  
Old 07-22-05, 04:28 PM
Member
Join Date: Sep 2000
Location: United States
Posts: 18,497
Doesn't matter in the least.
 
  #6  
Old 07-22-05, 04:54 PM
jcbpilot99
Visiting Guest
Posts: n/a
Thanks again.
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes
'