Power Cable; Transducer Cable - Raymarine DSM400 Installation Manual

• Cables should be adequately secured, protected from
physical damage, and protected from exposure to heat.
• Avoid running cables through bilges or doorways, or close
to moving or hot objects.
• Avoid sharp bends.
• Use a watertight feed-through wherever a cable passes
through an exposed bulkhead or deckhead.
• Secure cables in place using tie-wraps or lacing twine. Coil
any extra cable and tie it out of the way.

Power cable

The power cable should be run as a single length of cable from
the unit to the boat's battery/distribution panel.
Please refer to the following table to ensure that the correct
gauge of cable is used for the required cable length.
Cable length
Feet Metres
10 3
15 4.6
20 6
25 7.6
30 9
Installation
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Wire size
AWG 2
mm
14 2.1
14 2.1
12 3.3
12 3.3
10 5.3
1. The figures assume a constant current of 7A,
regardless of input voltage.
2. Cable length is the distance between the power source
and the unit.
3. These wire sizes give a total drop of about 0.5 V
between the power source and the unit, achieving a
minimum voltage at the unit of 10.5 V with a fully flat
battery at 11V.

Transducer cable

Raymarine does not recommend extending the transducer
cable. However, if this is unavoidable contact your local dealer
for assistance.
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