Miller Electric Big Blue 402D - Manual (Page 89)

OM-495 Page 83 Return To Table Of Contents
SECTION 14 − 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
14-1. Selecting Equipment
gen_pwr 11/02 − Ref. ST-159 730 / ST-800 577
1 Generator Power Receptacles
− Neutral Bonded To Frame
2 3-Prong Plug From Case
Grounded Equipment
3 2-Prong Plug From Double
Insulated Equipment
Y 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
14-2. Grounding Generator To Truck Or Trailer Frame
S-0854
Y 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.
Y 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
Y 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.