Sea Frost DC 5000 - Manual (Page 22)

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The positive and negative cable total length must not exceed twice the distance
listed above.
Be sure your wire length calculation is from the batteries not the connection points
of the supply wires. (It is assumed that heavier cable is used to supply an electrical
junction like the battery switch or buss bar.)
FUSES
Fuse the 12-volt positive wire from the battery to the Electrical Junction Box with a 50-
amp fuse. The fuse location should be as close as possible to the battery or selector
switch. (Refer to ABYC standards) If a breaker is used it must be rated for 75 amps @
12 volts.
WIRING
The best installation should have the shortest possible conductor lengths connecting the
batteries and the Electrical Junction Box.
Do not feed the DC 5000 from the boats 12-volt breaker panel.
Voltage drop and power loss can occur through the supply wires, terminal ends,
and switching devices.
An in line fuse can act as a service disconnect.
Wires should be kept out of the bilge and wet areas.
Secure wires every 18 " with nylon tie-wraps or non metallic clamps.
GROUND WIRE
Connect the ground lug to the engine negative boat ground with a green 8-gauge wire.
ASSEMBLY INSPECTION CHECK LIST
[ ] 1. Check accessibility of brush covers for service.
[ ] 2. Check that the RFD sight glass can be seen.
[ ] 3. Check all the Swagelok connections with wrenches to be sure they have been
made up. Refresh your knowledge by rereading the Swagelok instructions.