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30-AMP SERVICE
On a 30-amp system, up to five (5) circuits are permitted to distribute power through the
trailer. All breakers are sized according to power to be consumed.
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WARNING: Do not replace breakers or fuses with any that are rated at a
higher amperage. Over fusing may cause a fire by over heating the wire.
Below is a generic drawing (Fig. 24) with circuit breaker alignment. Your trailer may not
be exactly the same as shown depending on model, floor plan, and options.
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CONSUMPTION OF 120-VOLT AC POWER
As more appliances are purchased, you must remember a trailer has only 30-amps of
incoming power available. Conserving and choosing which appliance has priority in
consumption may be required.
In addition, loose items such as toasters, skillets, coffee pots, etc. are often included in
traveling cargo. Include these in your amp consumption and safety planning.
Fig. 24
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Refer to 12-volt
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DC System
for this layout
30-amp
main, incoming power to unit
20-amp
air conditioning
15-amp
microwave oven
15-amp
GFCI, kitchen/bath
15-amp
utility/converter
15-amp
water heater
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