Miller Electric Big Blue 300 Welding System User Manual


 
OM-4433 Page 53
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.
11-1. Selecting Equipment
gen_pwr 200704 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
. 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.
OR
2
3
1
! 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 #10 AWG or larger
insulated 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.
! If unit does not have GFCI re-
ceptacles, use GFCI-pro-
tected extension cord.
11-2. Grounding Generator To Truck Or Trailer Frame
S-0854
GND/PE
3
1
2