Miller Electric 280 NT manual Generator Power Guidelines, Selecting Equipment, Al-to-metal contact

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

1

2

3

OR

1Generator Power Receptacles − Neutral Bonded To Frame

23-Prong Plug From Case Grounded Equipment

32-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 2007−04 − Ref. ST-159 730 / ST-800 577

11-2. Grounding Generator To Truck Or Trailer Frame

! 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
	1			Supplied)
			3	Metal Vehicle Frame
GND/PE	2		Connect cable		from	equipment
			ground terminal to metal vehicle
			frame. Use #10 AWG or larger
			insulated copper wire.
		3	. 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.

S-0854

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