Hach SC4200c, Basic User Manual, Page: 14 / 88

Figure 8 High-voltage barrier
Wiring for power
D A N G E R
Electrocution hazard. Protective Earth Ground (PE) connection is required.
D A N G E R
Electrical shock and fire hazards. Make sure to identify the local disconnect clearly for the conduit
installation.
W A R N I N G
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.
W A R N I N G
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.
W A R N I N G
Electrical shock and fire hazards. Make sure that the user-supplied power cord and non
‐
locking plug
meet the applicable country code requirements.
W A R N I N G
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.
N O T I C E
Install the device in a location and position that gives easy access to the disconnect device and its operation.
14 English