Basic Installation Procedures
24 Freedom XC Owner's Guide
Connecting the Equipment Ground
WARNING
ELECTRIC SHOCK HAZARD
Never operate the Freedom XC without properly connecting the
equipment ground. A shock and energy hazard could result from
improper grounding.
Failure to follow these instructions can result in death, serious
injury, or equipment damage.
The Freedom XC has a ground lug on the side of the unit as shown
in Connecting the Equipment Ground. Follow the guidelines in
Connecting the Equipment Ground to connect the
inverter/charger’s chassis to the ground.
Figure 7 DC Panel Connections
1 DC grounding lug
Grounding Locations
You must connect the equipment DC ground lug to a grounding
point—usually the vehicle’s chassis or DC negative bus ground—
using recommended copper wire size (if insulated then green
insulation with or without one or more yellow stripes) or larger.
Make sure to tighten the bolt on the DC ground lug to a torque of
23 in-lb (2.6N-m) of force. Apply an anti-corrosion compound to
the copper wire prior to connecting to the DC ground lug.
For recommended equipment ground cable size, see below.
Application
Minimum equipment ground cable
size (Stranded copper cable is
required)
Recreational
Vehicle
a
No. 8 AWG
Marine
b
No. 3 AWG (Freedom XC 1000)
No. 1/0 AWG (Freedom XC 2000)
NOTE: There are no restrictions on length for the equipment
ground cable but try to make it as short as practical to a secure
chassis connection. In general, the equipment ground cable size
must not be smaller than one AWG size than the supply cable.
Table 7Equipment DC ground cable size
a
Based on US National Electrical Code NFPA70, Article 551, par. 551-20c and ANSI/RVIA LV, § 2-5.1.
b
Based on ABYC E-11 § 11.16 and A-31 § 31.6.5.
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