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Calculating Size of Chassis Ground Cable
Refer to Table 3-2 to plan the size of the chassis ground cable that runs
from the DC grounding point to the chassis ground screw on the inverter’s
DC panel.
Table 3-1
Recommended DC Input Wire Sizes & Lengths
RV (Recreational Vehicle)
Cable length:
Battery to Inverter
(one way)
Minimum Cable Size Maximum Battery
Fuse Size
5 feet (1.5 m) or less No. 4/0 AWG 450 Adc
10 feet (3 m) 350 MCM 450 Adc
Note: Never use a cable longer than 10 feet (3 m). Appropriate size cable can
be bought at a welding supply house.
Table 3-2
Recommended Chassis Ground Cable sizes
Application Chassis ground cable size
(Stranded cable is recommended)
Recreational Vehicle No. 8 AWG
Note: There are no restrictions on length for the chassis ground cable.
XPower3000.book Page 6 Wednesday, December 10, 2003 6:52 AM