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Chapter 1 Introduction 23
1.4 Grounding and Safety
The PI-MAX4 and power supply are of Class I category as defined in IEC Publication 348
(Safety Requirements for Electronic Measuring Apparatus.) They are designed for indoor
operation only. Before turning on the power supply, the ground prong of the power cord
plug must be properly connected to the ground connector of the wall outlet. The wall outlet
must have a third prong, or must be properly connected to an adapter that complies with
these safety requirements.
WARNINGS!
1. If the PI-MAX4 camera system is used in a manner not specified
by Princeton Instruments, the protection provided by the
equipment may be impaired.
2. If the equipment is damaged, the protective grounding could be
disconnected. Do not use damaged equipment until its safety has
been verified by authorized personnel. tampering with its
operation is also prohibited.
Inspect the supplied power cord. If it is not compatible with the power socket, replace the
cord with one that has suitable connectors on both ends.
WARNING! RISK OF ELECTRIC SHOCK!
The PI-MAX4 has internal power supplies that generate
hazardous (and potentially lethal) voltages. It contains no
user-serviceable parts. Do not attempt to operate it with the
covers removed.
WARNING!
Replacement power cords or power plugs must have the same
polarity and power rating as that of the original ones to avoid hazard
due to electrical shock.