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Basic Installation Procedures
975-0468-01-01 1–15
This guide for use by qualified installers only
Step 4: Connecting the AC Input Wires
General AC Wiring Considerations
AC cable size The AC input cable may be either solid or stranded (as required), but must
have three conductors and be sized as in
Table 1-4 on page 1–16.
AC Wiring
Connectors
Connect AC wires with crimp-on splice connectors.
The amount of insulation you strip off individual wires will be specified
by the connector manufacturer and is different for different types of
connectors.
AC and DC
Wiring
Separation
Do not mix AC and DC wiring in the same conduit or panel. Where DC
and AC wires must cross, make sure they do so at 90° to one another.
Consult applicable codes for details about DC and AC wiring in close
proximity to each other.
AC Wiring
Compartment
For your reference, the AC Wiring Compartment is shown in Figure 1-5.
AC Wiring To hard wire the Freedom HW AC input and output to an existing AC
installation, read this section.
AC wiring includes all the wires and connectors between the AC source
and the Freedom HW and all wiring between the inverter, the AC panels,
circuit breakers, and the GFCIs. The type and size of the wiring varies
with the installation and load. For some RV applications, flexible
multiple-strand wire is required.
AC wiring must be sized appropriately to carry full load current on the
input and output AC circuits in accordance with the electrical codes or
regulations applicable to your installation. Table 1-4 is based on the U.S.
National Electrical Code, 2003 Ed. and the Canadian Electrical Code,
assuming 2-conductor-plus-ground cable, using 75 °C wiring, at an
ambient temperature of 30 °C. Other codes and regulations may be
applicable to your installation.
WARNING: Fire, Shock and Energy hazards
Make sure wiring is disconnected from all electrical sources before handling. All
wiring must be done in accordance with local and national electrical wiring
codes. Do not connect the output terminals of the Freedom HW to any incoming
AC source.