Miller PipePro 304 - Generator Power Guidelines; Grounding Generator to Truck or Trailer Frame

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SECTION 11 − GENERATOR POWER GUIDELINES
The views in this section are intended to be representative of all engine-driven
welding generators. Your unit may differ from those shown.
NOTE
11-1. Selecting Equipment
gen_pwr 11/02 − Ref. ST-159 730 / ST-800 577
1 Generator Power Receptacle
s
− Neutral Bonded To Frame
2 3-Prong Plug From Case
Grounded Equipment
3 2-Prong Plug From Double
Insulated Equipment
 Do not use 2-prong plug un
-
less equipment is double in
-
sulated.
OR
2
Be sure equipment
has this symbol
and/or wording.
3
1
1
1-2. Grounding Generator To Truck Or Trailer Frame
S-0854
 Always ground generator
frame to vehicle frame to pre-
vent electric shock and static
electricity hazards.
1 Equipment Grounding
Terminal (On Front Panel)
2 Grounding Cable (Not
Supplied)
3 Metal Vehicle Frame
Connect cable from equipment
ground terminal to metal vehicle
frame. Use #10 AWG or larger
insulated copper wire.
 If unit does not have GFCI re-
ceptacles, use GFCI-pro-
tected extension cord.
Electrically bond generator
frame to vehicle frame by
metal-to-metal contact.
GND/PE
3
1
2
 Bed liners, shipping skids, and some running
gear insulate the welding generator from the ve-
hicle frame. Always connect a ground wire from
the generator equipment grounding terminal to
bare metal on the vehicle frame as shown.