Hitachi WJ-0001S, User Manual

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WARNING: This equipment has high leakage current and must be permanently
(fixed) hard-wire to earth ground via two independent cables.
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WARNING: Rotating shafts and above-ground electrical potentials can be
hazardous. Therefore, it is strongly recommended that all electrical work conform to
the National Electrical Codes and local regulations. Installation, alignment and
maintenance should be performed only by qualified personnel.

CAUTION:

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b) Any motor used must be of a suitable rating.

c) Motors may have hazardous moving path. In this event suitable protection must be
provided.
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CAUTION: Hazardous (main) terminals for any interconnection (motor, contact
breaker, filter, etc.) must be inaccessible in the final installation.

CAUTION: This equipment should be installed in IP54 or equivalent enclosure.

CAUTION: Connection to field wiring terminals must be reliably fixed having
two independent means of mechanical support. Use a termination with cable support
(figure below), or strain relief, cable clamp, etc.