Hach SC4200c Basic User Manual page 14

Figure 8 High-voltage barrier
Wiring for power
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Electrical shock and fire hazards. Make sure to identify the local disconnect clearly for the conduit
installation.
Potential Electrocution Hazard. If this equipment is used outdoors or in potentially wet locations, a
Ground Fault Interrupt device must be used for connecting the equipment to its mains power source.
Electrocution hazard. The local disconnection means must disconnect all the electrical current-carrying
conductors. Mains connection must keep supply polarity. The separable plug is the disconnect means
for cord connected equipment.
Electrical shock and fire hazards. Make sure that the user-supplied power cord and non‐locking plug
meet the applicable country code requirements.
Explosion hazard. This manual is only for installation of the unit in a non-hazardous location. For
installation of the unit in hazardous locations, use only the instructions and approved control drawing
provided in the hazardous location installation manual.
Install the device in a location and position that gives easy access to the disconnect device and its operation.
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