TP-5594 5/95 Installation 6-21
Electrical Systems
Battery, loadlead,and remoteswitchpanelconnections
are needed to complete the installation. Make final
connections to the battery only after all other
connections have been made as this will prevent
unintentional starting. Some specific details on each
connection are stated in the following paragraphs.
Refer to the wiring diagram for specific details.
Connections should be made only by qualified
electricians. All wiring to the generator set shall be
securely supported or harnessed to prevent abrasion.
Additionalsupport isrequiredtopreventexposuretothe
exhaust system and drippage of fuel, oil, or grease—at
least2 in.(51mm) clearancemustbe providedbetween
electricalwiringandhotexhaustparts. Also,wiringmust
not be located directlybelow or in closeproximity to fuel
system parts or oil fill tube. Some other points to
consider when making AC load connections are
covered in the following paragraphs.
NOTE
Wiring connections made at the time of installation
should be accessible for inspection and servicing.
Battery And Connections
A separate 12-volt battery is recommended for the
generator set. With a separate battery, cables can be
kept short which eliminates the problem of excessive
voltage drop through long cables. See Figure 6-20 for
lengthandsizes. RefertoFigure 6-21(ViewA)forcable
connections (note that a ground strap must be
connected between the ground lug onthe generator set
and frame of the vehicle with this arrangement).
Ifthestartingbatteryforthevehicleenginemust also be
used for starting the generator engine, the negative
battery terminal must be grounded to the vehicle frame
and heavy gauge (#4) ground strap must connect the
ground lug on the generator set to the vehicle frame as
illustrated in Figure 6-21 (View B).
Distance Between
Generator Set and
Battery
At 0° F
(--18° C)
Cable
Size
(AWG)
At 32° F
(0° C)
At 75° F
(24° C)
40 ft. (12.2 m) 00 0 1
30 ft. (9.1 m) 0 1 2
25 ft. (7.6 m) 1 2 4
20 ft. (6.1 m) 2 2 6
15 ft. (4.6 m) 2 4 6
10 ft. (3.0 m) 4 6 8
5 ft. (1.5 m) 6 6 8
2.5 ft. (0.8 m) 8 8 8
Figure 6-20. Battery Cable Size
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