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28) Ground Test
a.)
Disconnect power, any accessories and/or additional PR-4Zs from the unit being
tested.
b.)
With the cover removed, test continuity from the ground terminal of the power
input connector to the following points:
ground terminal of the 3 prong AC outlet
ground lug on the power supply
chassis main ground screw
chassis
power supply screw
ground plane on board
29) Hi-Pot Test
Perform Hi-Pot test @ 1200 V / 2 seconds.
30) Labels
Affix the Manufacturers date code, Serial #, Revision and ETL Labs stickers in their appropriate
positions.
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