Lincoln Electric Pro-MIG 140 manual Code Requirements for Input Connections

A-6 INSTALLATION A-6

INPUT CONNECTIONS

Refer to Figure A.6.

The Pro-MIG 140 has a power input cable located on the rear of the machine.

GAS SOLENOID

INLET FITTING

POWER INPUT

CABLE

FIGURE A.6

CODE REQUIREMENTS FOR INPUT CONNECTIONS

WARNING

This welding machine must be connected to a power source in accordance with applicable elec- trical codes.

The National Electrical Code provides standards for amperage handling capability of supply con- ductors based on duty cycle of the welding source.

If there is any question about the installation meeting applicable electrical code requirements, consult a qualified electrician.

Requirements For Rated Output

A power cord with a 15 amp, 125 volt, three prong plug (NEMA Type 5-15P) is factory installed on the Pro-MIG 140. Connect this plug to a mating grounded receptacle which is connected to a 20 amp branch cir- cuit with a nominal voltage rating of 115 to 125 volts, 60 Hertz, AC only.

The rated output with this installation is 90 amps,19 Volts, 20% duty cycle (2 minutes of every 10 minutes used for welding).

CAUTION

Do not connect the Pro-MIG 140 to an input power supply with a rated voltage that is greater than 125 volts.

Do not remove the power cord ground prong.

Pro-MIG 140