Electrical Installation - Hach WPC-21 Manual Del Usuario

Figure 3 Wall mounting

Electrical installation

Electrocution hazard. Always remove power to the instrument before making electrical connections.
Electrocution hazard. 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.
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Use shielded twisted-pair cable for all electrical connections except input power. Use of non-shielded
cable may result in radio frequency emission or susceptibility levels higher than the allowed levels.
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