Lincoln Electric LN-25X Operator's Manual page 12

LN-25X™ INSTALLATION
recoMMenDeD electroDe anD WorK caBle
siZes For arc WelDinG
(See Table A.1)
Tabulated below are copper cable sizes recommended for
different currents and duty cycles. Lengths stipulated are the
distance from the welder to work and back to the welder again.
Cable sizes are increased for greater lengths primarily for the
purpose of minimizing cable drop.
A-5