Gossen Metrawatt M817F Mains-analysis device, Mains analyser M817F Datenbogen

vi

Continued

The following safety precautions must be followed whenever any type of voltage or 
current connection is being made to the 4400.

• Wear proper Personal Protective Equipment, including safety glasses and insulated 

gloves when making connections to power circuits.

• Hands, shoes and floor must be dry when making any connection to a power line.
• Before each use, inspect all cables for breaks or cracks in the insulation. Replace 

immediately if defective.

• Set the 4400 power switch to Off.
• Before connecting to electric circuits to be monitored, open their related circuit 

breakers or disconnects. DO NOT install any connection of the 4400 to live power 
lines.

• Connections must be made to the 4400 first, then connect to the circuit to be 

monitored.

These safety precautions are repeated where appropriate throughout this manual.