Section 8 --- Electrical Systems - House
The Executive 2005
362
DISTRIBUTION PANEL - HOUSE 12 VOLT
The 12 Volt DC house distribution panel
contains fuses (located in the bedroom) that
protect the electrical circuits. These fuses are a
standard automotive type.
FUSES
The 12 Volt DC fuses, located in this distribution panel, service
the interior house lighting, ventilation fans, monitor panel, furnace
and water heater. Should a fuse blow it will be evident by the bro-
ken metal strip located in the center of the fuse. Replacement fuses
should be of the same amperage. If a higher rated fuse is installed it
can damage the wiring. Fuse current set points follow much of the
same electrical principle as the 120 Volt AC breakers. Using 12 Volt
DC as the electromotive force can make it more susceptible to out-
side influences, such as corrosion from weathering or oxidation.
The large variety of applications this voltage can be used in
makes it a diet staple for most of the recreational vehicle and
automotive industries. The danger from shocks with this voltage is
minimized, but can still occur. A good example is when a magnetic
field is generated, then collapses when the power supply is cut. The
result is a discharge that can reach tens of thousands of volts for a
short time period. Care should be used when working with this volt-
age as current values can be quite high, like in the case of battery
cables.
Shorting a battery cable to ground with a battery at a reasonable
state of charge can result in a fire or serious personal injury
from a burn.
Fuse Panel Label located in bedroom closet.
060151B
Amperage Chart.
ATO Fuse
amperagechart
060086B
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