Designing Your Installation
975-0127-01-01 3–7
Calculating Size of Chassis Ground Cable
Refer to Table 3-2 to plan the size of the chassis ground cable that runs
from the grounding point to the chassis ground screw on the inverter’s DC
panel.
Table 3-1
Recommended DC Input Wire Sizes & Lengths
RV
a
(Recreational Vehicle)
a. Based on US National Electrical Code NFPA70, Article 551 and Table 310-
17, 90C cables located outside of engine spaces.
Cable length:
Battery to inverter
(one way) Minimum Cable Size
Maximum Battery
Fuse Size
Less than 5 feet (1.5 m) No. 2 AWG 150 ADC
Note: Never use a cable longer than 5 feet (1.5 m) with the XPower 1000.
Appropriately sized cable can be bought at a welding supply house or a marine
supply store.
Table 3-2
Recommended Chassis Ground Cable sizes
Application
Chassis ground cable size
(Stranded cable is recommended)
Maximum
Battery Fuse
Size
Recreational Vehicle
a
a. Based on US National Electrical Code NFPA70, Article 551, par. 551-20c.
No. 8 AWG 150 ADC
Note: There are no restrictions on length for the chassis ground cable.
