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2-5 AC Safety Grounding:
During the AC wiring installation, Ac input and output ground wires are connected to the
inverter. The AC input ground wire must connect to the incoming ground from your AC utility
source.
The AC output ground wire should go to the grounding point for your loads (for example, a
distribution panel of ground bus).
2-5-1 Neutral Grounding (GFCI's):
2-5-1-1 120V models: The neutral conductor of the AC output circuit of the Inverter is
automatically connected to the safety ground during inverter operation. According
to national electrical code requirements that separately derived AC sources (such
as inverter and generators) have their neutral conductors tied to ground in the
same way that the neutral conductor from the utility is tied to ground at the GFCI
breaker panel. For models configured with a transfer relay, while AC utility power is
presenting and the inverter is in bypass mode, this connection (neutral of the
Inverter's AC output to input safety ground) is not present so that the utility neutral
is only connected to ground at your breaker panel, as required.
2-5-1-2 230V models: There is no connection made inside the Inverter from either the line
or neutral conductor to the safety ground.
Ground Fault Circuit Interrupters (GFCI'S):
Installations in Recreational Vehicles (for North American approvals) will require GFCI
protection of all branch circuit connected to the AC output of the hardwire terminal
equipped inverter. In addition, electrical codes require GFCI protection of certain
receptacles in residential installations. While the pure sine wave output of the inverter is
equivalent to the waveform provided by utilities, compliance with UL standards requires
us to test and recommend specific GFCI. Our company has tested the following
GFCI-protected 20A receptacles and found that they functioned properly when
connected to the output of the inverter.
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WARNING!
Do not operate the power inverter without connecting it to
Ground.
Electrical shock hazard may result.
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CONTACT
YOUR CONNECTION TO SAFETY
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