Holiday 2002 NEPTUNE, Owner'S Manual

Page: 224 / 344

After connecting the motorhome to shore power, wait approximately one
minute for the inverter/charger or converter to "stabilize" charging of the bat-
teries before starting air conditioners or other large AC loads. In the instance
50 Amp service is not available, use caution not to overload the supplied shore
service breaker. Operate appliances and outlets in sequence rather than all at
the same time.
Power Supply:
Different amperage supplies vary greatly in the amount of available
current.
• The continuous amount of current through a breaker or fuse is only
80% of its rated capacity.
• 50 Amp 220 Volt AC shore power service consists of two power sup-
ply conductors, a neutral and a safety ground. The 50 Amp breaker
simultaneously limits each power supply conductor to no more than
a short-term maximum of 50 Amps for each conductor. The 50 Amp
220 Volt service actually provides 80 continuous amps.
• Use care when hooked to anything less than 50 Amp shore service.
Shore power service less than 50 Amps consists of one power supply
conductor, a neutral and a safety ground. 30 Amp shore service is
limited to 24 continuous amps. 20 Amp shore service is limited to 16
continuous amps.
Electrical Adapters:
There are many different electrical adapters available to suit a variety of
needs. Only UL approved adapters should be used. The most common adapter
is a 50-30 Amp adapter to adapt the 50 Amp shore cord to a 30 Amp shore
power outlet. Always install the adapter to the cord prior to making the connec-
tion to the outlet.
Electrical Systems - House
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