Product Manual

10
An “Inverter Cable Kit” (positive cable, negative cable, and proper fuse) is needed
to connect the inverter to a battery bank. An 8-guage single strand cable is also
recommended to connect the inverter’s bonding lug to ground.
The inverter cable length and the size of the inverter will determine the cable gauge
and the fuse size to use. The maximum inverter cable recommended is 20-ft; it
must be fused within 18-in from the positive (+) terminal of the battery.
Cross reference the inverter model, and the estimated cable length in the table
below to determine the proper cable gauge and fuse size. An inverter cable kit
designed to SAE guidelines can be purchased directly from our factory – call for
options.
MinimumCableandFusingGuideat5%VoltageDropatFullOutput
Inverter
Model
FullLoad
(AmpsDC)
InvertertoBatteryEstimatedCableLengthinFeet
1 to 10 feet 11 to 15 feet 16 to 20 feet
12NP10 104
4-ga, 200A Fuse 2-ga, 250A Fuse 1-ga, 300A Fuse
12NP12 129
2-ga, 250A Fuse 2-ga, 250A Fuse 1/0, 350A Fuse
12NP15 156
2-ga, 250A Fuse 1-ga, 300A Fuse 2/0, 400A Fuse
12NP18 188
2-ga, 250A Fuse 1/0, 350A Fuse 2/0, 400A Fuse
12NP20 204
1-ga, 300A Fuse 2/0, 400A Fuse 3/0, 500A Fuse
12NP24 255
1/0, 350A Fuse 2/0, 400A Fuse 4/0, 600A Fuse
12NP30 315
2/0, 500A Fuse 3/0, 500A Fuse
Not Recommended
NOTE:
• Temp. Comp. cable is part# 611622-XX (XX=length in feet - 9, 15, 20,
25, 30)
To make your own “Inverter Cable Kit,” follow below recommendations:
1. Use stranded copper cables in all cases.
2. USE SGX cross-linked polyurethane insulation type that complies with the
high temperature insulation requirements (125°C.) of SAE J-1127 and vehicle
manufacturer requirements.
DC WIRE GAUGE & FUSING
Inverter Cable
Cable Recommendations