ExcelPool Products Excelpool Salt System Installation And Operation Manual page 23

For Canadian models, the Excelpool System shall be connected
to a circuit protected by a class A ground fault interrupter. Be
sure to connect the GROUND wire to the green ground screw
terminal located on the INSIDE WALL of the enclosure.
Note: Wire the pump directly to the time clock—do not use the
Excelpool System as a junction box.
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