KVH Industries TracPhone FB250 Installation Manual page 134

C.2.3 One Pole Grounded Return System
This configuration implies that the battery negative is bonded to a ground
potential, typically at the engine negative terminal. This is done in order to
polarize the DC electrical system.
+
BATTERY
SWITCH
(ON/OFF)
SWITCHBOARD
Note
This arrangement is not suitable for steel and aluminum vessels as
this might cause electrolytic corrosion of the hull.
Appendix C: Grounding and RF protection
-
STARTER
RELAY
(ON/OFF)
B+
ALTERNATOR
B-
OUTGOING CIRCUITS
General about marine DC systems
+
BATTERY
GAUGES
+
STARTER
MOTOR
ENGINE
-
SENSORS
-
HULL/KEEL/ENGINE
(VESSEL GROUND)
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