Hach CD300 User Manual page 9

Figure 2 Wall mounting
Electrical installation
D A N G E R
Electrocution hazard.
Always remove power to the instrument before making electrical connections.
Do not connect AC power directly to a DC powered instrument.
If this equipment is used outdoors or in potentially wet locations, a Ground Fault Circuit Interrupt
(GFCI/GFI) device must be used for connecting the equipment to its main power source.
Protective Earth Ground (PE) connection is required.
Use only fittings that have the specified environmental enclosure rating. Obey the requirements in the
Specifications section.
English 9