Sine Wave
User’s Manual—Please read before using this equipment.
4
is directly connected must comply with US National Electric Code (NEC) wiring gauge
recommendations. Facing the Front Panel, the terminals are:
Left
Middle
Right
Ground
Neutral
Hot (or Live)
Neutral and Ground are bonded (connected) inside the inverter to comply with the NEC
requirement that any AC source must have a Neutral to Ground connection.
Remote ON/OFF Switch Connection
A supplied cable and Remote Switch assembly provides a convenient remote On/Off
feature.
Ground Terminal
This terminal is for attaching a 6 gauge insulated safety ground wire. This safety wire
protects personnel if there is an unlikely failure in either the cabling or enclosure insulation.
Do not directly connect this ground to any negative DC terminal on the inverter. This safety
wire is to be connected to the vehicle frame or earth ground or negative battery terminal as
described in the installation procedure.
PoWer InverTer oUTPUT WAveForM
This inverter’s AC output is a Modified Sine Wave (MSW) 5 volts AC. The comparison of
MSW and household AC is shown below.
MSW has a root mean square (RMS) voltage of 5 volts. Most ordinary AC voltmeters
are calibrated to read “average” voltage and assume that an AC waveform is a sine wave.
Average reading meters do not correctly read MSW voltage, and will display 20 to 30 volts
too low. Multi-meters identified as “TRUE RMS” will accurately read MSW voltage.
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