Miller Electric 375 Welder User Manual


 
OM-2229 Page 15
4-7. Connecting Work Clamp
802 463-A
1 Work Clamp
2 Workpiece
Connect work clamp to a clean,
paint-free location on workpiece, as
close to cutting area as possible.
1
2
4-8. Connecting Input Power
Ref. 802 787-B / 802 786-B
Check input voltage available at site.
1 Changeover Switch
Switch is accessible through slot in
rear panel.
2 Changeover Switch Label
Look at label to find correct switch
position.
Y Be sure input power
connection meets all
applicable national, regional,
and local electrical codes.
3 Grounded 120 VAC
Receptacle
Y To use rated output (see spec-
ifications), connect the unit to
an individual branch circuit
capable of carrying the effec-
tive (eff) current for the output
being used. The unit must
have a properly sized plug
installed and the circuit must
be protected by properly
sized fuses or circuit break-
ers.
A 120 volt, 20 ampere (minimum)
individual branch circuit protected by
time-delay fuses or circuit breaker is
required (see Section 4-1).
4 Plug From Unit
Connect plug to receptacle.
If an extension cord is necessary,
select a cord of 12 AWG for up to 53
ft (16 m).
To connect unit to 230 VAC input
power, a customer supplied plug is
necessary (see Section 4-9).
A 230 volt, 15 ampere (minimum)
individual branch circuit protected by
time-delay fuses or circuit breaker is
required (see Section 4-1).
If an extension cord is necessary,
select a cord of 14 AWG for up to 133
ft (41 m).
Y Special installation may be
required where gasoline or
volatile liquids are present
see NEC Article 511 or CEC
Section 20.
4
3
2
1