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OM-715 Page 10
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4-5. Connecting Input Power
Ref. ST-800 156
Y Input power supply wiring
and receptacle must meet
National Electrical Code and
all other code requirements.
Operate spot welder from a sepa-
rately fused or circuit breaker pro-
tected circuit, and use correct size
input conductors.
1 Rating Label
2 Cord
3 Parallel Plug On 110 Volts AC
Models
4 Tandem Plug On 220 Volts
AC Models
Do not cut ground terminal off plug.
5 Grounded Receptacle
Connect plug to matching
grounded receptacle.
12
3
Or
4
5
Model
Input Conductor
Size (AWG)
Fuse/Circuit Breaker
Size In Amperes
1.5 kVA 110 Volt
2.5 kVA 220 Volt
No. 10
No. 10
30
30
SECTION 5 − OPERATION
5-1. Controls
ST-145 104-A
1 Hand Lever
Use lever to open and close tongs.
Close the hand lever during the
welding process to compress the
material between the tips. To adjust
tong pressure, see Section 4-3.
2 Start Switch
Use switch to turn weld current On
and Off. Move switch sideways in
either direction to start weld current.
Release switch to stop weld cur-
rent.
1
2