Miller Electric Blue Star 3500 Welding System User Manual


 
OM-498 Page 23
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7-4. Wiring Instructions For Optional 120/240 Volt Twistlock Plug (NEMA L14-30P)
plug3-11/99 − 802 527
1 Plug Wired For 120/240 V,
3-Wire Load
When wired for 120 V loads, each du-
plex receptacle shares a load with
one half of the 240 V receptacle.
2 Neutral (Silver) Terminal
3 Load 1 (Brass) Terminal
4 Load 2 (Brass) Terminal
5 Ground (Green) Terminal
6 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
2
4
Tools Needed:
5
6
120 V
240 V
120V
Notes
Work like a Pro!
Pros weld and cut
safely. Read the
safety rules at
the beginning
of this manual.