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A-8
INSTALLATION
POWER-ARC 4000
A-8
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 can be confusing. The con-
nections could vary from a “commonly grounded” to
a “separately derived” system depending on whether
you want the unit to be “hardwired” to the premises
or only connected temporarily.
Only a licensed, certified, trained electrician
should install the machine to a premises or
residential electrical system. Be certain that:
• The premises is isolated and no feedbacking
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. The gasoline
engine has a rated life of 500 hours. It cannot with-
stand 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
normally.
Never bypass the circuit breakers. Without overload
protection, the power-arc 4000 could overheat and/or
cause damage to the equipment being used.
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WARNING
CAUTION