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Improper external source connection will
place 120V on the ground circuit.
May result in minor or moderate injury
including equipment damage.
To prevent:
Observe proper polarity of external power
supply.
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Voltage applied at calibration terminals may
energize regulator to high voltage through
voltage transformer.
Could result in death or serious injury.
To prevent:
Do not connect any voltage source at the
voltage calibration terminals.
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