Xantrex Technology XM 1800, XM 1000 manual Sizing the Chassis Ground Cable

			Designing Your Installation
Table 3-1Recommended DC Input Wire Sizes & Lengths
		RVa(Recreational Vehicle)
	Cable length:
	Battery to inverter		Maximum Battery
	(one way)	Minimum Cable Size	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.

a. Based on US National Electrical Code NFPA70, Article 551 and Table B310.3, 90C cables.

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 3-2Recommended Chassis Ground Cable size

	Minimum chassis ground cable size
Application	(Stranded cable is recommended)
Recreational Vehiclea	No. 8 AWG

Note: There are no restrictions on length for the chassis ground cable.

a.Based on US National Electrical Code NFPA70, Article 551, par. 551-20c.

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