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A-7
INSTALLATION
POWER-ARC 4000
A-7
PREMISES WIRING
The POWER-ARC 4000 three-wire, grounded neutral
generator allows it to be connected to premises
wiring. However, the wiring procedure needed to
meet the National Electric Code (NEC) regulations as
well as city ordinances and can be confusing. The
connections could vary from a "commonly grounded"
to a "separately derived" system depending on
whether you want the unit to be "hard wired" or tem-
porary to the premises.
Only a licensed, certified, trained electrician
should install the machine to a premises or resi-
dential electrical system. Be certain that:
• The premises is isolated and no feed backing
into the utility system can occur. Certain state
and local laws require the premises to be isolat-
ed before the generator is linked to the premis-
es. Check your state and local requirements.
• A double pole, double throw transfer switch in
conjunction with the properly rated double
throw circuit breaker is connected between the
generator power and the utility meter.
The POWER-ARC 4000 does not have a combined
120/240 volt twist-lock receptacle and cannot be
connected to a premises as described in other
Lincoln literature.
Remember that the POWER-ARC 4000 is intended
only for backup, intermittent use power. Oil level must
be checked after every 5 hours of use. The Briggs &
Stratton engines used on the Power-Arc 4000 before
August 1998 did not include a low oil shutdown
option as standard equipment. It cannot withstand
long-term use without proper maintenance. See the
MAINTENANCE section of this manual and the
engine owner’s manual for more information.
Certain electrical devices cannot be powered by the
POWER-ARC 4000. Refer to Table A.2 for these
devices.
CIRCUIT BREAKERS
The POWER-ARC 4000 has its own 20 amp circuit
breakers for overload protection. When the machine
is operated in high temperature environments, the
breakers may tend to trip at lower loads than normal-
ly.
Never bypass the circuit breakers. Without over-
load protection, the power-arc 4000 could over-
heat and/or cause damage to the equipment being
used.
WARNING
CAUTION