SPRAY FINISHING

Fixed Electrostatic Apparatus

The electrostatic apparatus shall be equipped with automatic fail safe controls. These controls will operate without time delay to disconnect the power supply to the high voltage transformer and to signal the operator under any of the following conditions:

Stoppage of ventilating fans or failure of ventilating equipment from any cause

Stoppage of the conveyor carrying goods through the high voltage field

Occurrence of a ground or of an imminent ground at any point on the high voltage system

Reduction of clearance to below twice the sparking distance.

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