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2 INSTALLATION
2.6 Cable sizing
Below is a table outlining the required cable size for a given cable install length.
Always choose a wire diameter equal to or greater than what is specified below.
Cable Install Length
(m)
Recommended Wire Size
(mm²)
Closest (BAE, B&S, AWG)
1 - 3 3.5 6mm auto
3 - 5 5.7 8 B&S
5 - 9 10.2 8 B&S
2.7 Wiring
The wires on the BCDC1220(-IGN) unit carry peak currents of up to 30 Amps
and it is important to make a good, low resistance, electrical connection that
will not degrade over time. Failure to make a good, reliable contact may result
in breakdown of the wire insulation and cause a short circuit, or worst case a
fire. We recommend that this activity be undertaken by an appropriately trained
person.
REDARC recommends using a soldered butt splice crimp connection that is
covered with heatshrink. See Figure 2.7. REDARC does not recommend using
standard red/ blue/yellow blade connections as they are not rated for either the
current required or gauge of wire supplied on the unit.
Crimping provides good mechanical connection, soldering provides a long lasting
electrical connection and forming of the heatshrink will prevent any shorting/
contact with your vehicle chassis.
Figure 2.7 - Ensuring a good wiring connection
Crimp here.
Crimp both wires to the butt splice using
indent type crimpers.
Solder Both Ends Here.
Solder the wires to the butt splice.
Ensure that a good connection is
made. Keep heatshrink away until after
soldering is complete and has cooled.
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