Hobart Welding Products CONTRACTOR 3025 - Manual (Page 27)

OM-492 Page 23
6-2. Wiring Instructions For Optional 240 Volt, Single-Phase Plug (NEMA 14-50P)
Plug1 7/99 – ST-120 813-D
The plug can be wired for a 240 V,
2-wire load or a 120/240V, 3-wire
load. See circuit diagram.
1 Plug Wired for 120/240 V,
3-Wire Load
When wired for 120 V loads, each
duplex receptacle shares a load
with one half of 240 V receptacle.
2 Plug Wired for 240 V, 2-Wire
Load
3 Neutral (Silver) Terminal
4 Load 1 (Brass)Terminal
5 Load 2 (Brass) Terminal
6 Ground (Green) Terminal
Strip cord jacket back enough to
separate conductors.
Strip conductors enough to make
good contact with plug terminals.
Make plug connections and rein-
stall outer shell and cord grip.
Tighten assembly screws onto
shell. Do not overtighten.
1
2
3
4
5 6
3
4
5
6
240V
240V
120V
120V
Tools Needed:
6-3. Wiring Instructions For Optional 240 Volt, 3-Phase Twistlock Plug (NEMA L15-30P)
Plug2 7/99 – 802 437
1 240 V AC Three-Phase, 30 A,
3P4W Twistlock Plug
2 Load 1 (Brass) Terminal (X)
3 Load 2 (Brass)Terminal (Y)
4 Load 3 (Brass) Terminal (Z)
5 Ground (Green) Terminal (G)
6 Outer Shell
7 Cord Grip
Strip cord jacket back enough to sep-
arate conductors.
Strip conductors enough to make
good contact with plug terminals.
Make plug connections and reinstall
outer shell and cord grip.
Tighten assembly screws onto shell.
Do not overtighten.
1
3
4
5
240V
240V
240V
Tools Needed:
2
6
7