Miller Electric Summit Arc 1000/1250 Owner's Manual page 22

B. Remote Voltage Sensing Leads Placement Guidelines For A Single Arc (Required)
OM-2221 Page 18
Remote Voltage
Sense Leads
Work
Clamp
Remote Voltage
Sense Leads
Work
Clamp
BAD
Welding Power
Sense lead is affected by weld
Source
current.
Due to voltage drops across work
piece, arc voltage may be low,
causing need for deviation from
standard procedures.
BEST
Welding Power
Source
Sense leads are out of the current
paths.
Sense leads detect arc voltage ac-
curately.
Best starts, arcs and most reliable
results.
Ref. 804 108-A