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Designing Your Installation
975-0263-01-01 3–7
Sizing the Chassis Ground Cable
See Table 3-2 for the size of the chassis ground cable that runs from the
grounding point to the chassis ground stud on the inverter.
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 B310.3, 90C cables.
Cable length:
Battery to inverter
(one way) Minimum Cable Size
Maximum Battery
Fuse Size
XM 1000
Less than 5 feet (1.5 m) No. 2 AWG 150 ADC
XM 1800
Less than 5 feet (1.5 m) No. 2/0 AWG 250 ADC
Note: Never use a cable longer than 5 feet (1.5 m) with the XM 1800.
Appropriately sized, 90 °C cable can be bought at a welding supply house or a
marine supply store.
Table 3-2
Recommended Chassis Ground Cable size
Application
Minimum chassis ground cable size
(Stranded cable is recommended)
Recreational Vehicle
a
a.Based on US National Electrical Code NFPA70, Article 551, par. 551-20c.
No. 8 AWG
Note: There are no restrictions on length for the chassis ground cable.
Xantrex_PRO1800.book Page 7 Tuesday, April 24, 2007 11:33 AM