SECTION 12 − 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.
12-1. Selecting Equipment
12-2. Grounding Generator To Truck Or Trailer Frame
OM-248 551 Page 34
1
2
3
OR
1
2
GND/PE
3
1
Generator Power Receptacles
− Neutral Bonded To Frame
2
3-Prong Plug From Case
Grounded Equipment
3
2-Prong Plug From Double
Insulated Equipment
.
Be sure equipment has double
insulated symbol and/or word-
ing on it.
!
Do not use 2-prong plug un-
less equipment is double in-
sulated.
gen_pwr 2011−04 − ST-800 577
!
Always ground generator
frame to vehicle frame to pre-
vent electric shock and static
electricity hazards.
!
Also see AWS Safety &
Health Fact Sheet No. 29,
Grounding of Portable And
Vehicle Mounted Welding
Generators.
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 #8 AWG or larger insu-
lated copper wire.
.
Electrically bond generator
frame to vehicle frame by met-
al-to-metal contact.
!
Bed liners, shipping skids,
and some running gear insu-
late the welding generator
from the vehicle frame. Al-
ways connect a ground wire
from the generator equip-
ment grounding terminal to
bare metal on the vehicle
frame as shown.
!
Use GFCI protection when
operating auxiliary equip-
ment. If unit does not have
GFCI receptacles, use GFCI-
protected extension cord.
800 652-D