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3-6. Common Work Connections
5
4
2
Y Turn Off welding power sources by
placing fuse holders in the Off
position before making any weld
output connections.
Y Do not connect welding output of
different polarities to the same
structure.
Y See ANSI Z49.1 and OSHA Title 29,
Chapter XVII, Part 1910, Subpart Q
(addresses at beginning of manual).
Y Do not handle or come in contact with
two live electrodes at the same time.
Y ARCING can burn skin or damage
electrical equipment. Do not change
position of
the
welding
connectors while welding.
Y Be sure the connectors are secure in
receptacles before welding.
1
5
3
Y INADEQUATE
CONNECTIONS can cause serious
damage to input power service and
create
a
Connect an electrical cable of
adequate size between the isolated
terminal
and
whenever the isolated terminal is
used.
Electrode Positive Connection:
1
Positive (+) Weld Output Cables
Determine
cable
according to welding power source Owner's
Manual.
2
Isolated Terminal
cable
3
Negative (−) Weld Output Cables
Determine cable sizes according to welding
power source Owner's Manual. Cable must
3
4
WORK
CABLE
reach from negative (−) output receptacle to
isolated terminal.
4
hazardous
condition.
Cable must be able to carry combined weld
the
workpiece
output of all welding power sources using
common work connections. Use Section 3-5
to select proper cable size.
5
Use lugs of proper amperage capacity and
hole size for connecting to isolated terminal.
lengths
and
sizes
Isolated terminal is 1/2 in (12.7 mm) in
diameter.
For Electrode Negative, reverse cable
connections. Positive (+) weld output cables
connect to isolated terminal, negative (−)
weld output cables go to electrode. Common
weld output cable is positive.
Ref. 804 827-A
Common Negative (−) Weld Output
Cable
Terminal Lugs
OM-232 133 Page 13
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