4
Caution, refer to accompanying documents (this manual).
Alternating current (AC) operation of the terminal or device.
Direct current (DC) operation of the terminal or device.
Earth (ground) terminal
Power switch
Safety Precautions
The following safety precautions must be followed whenever any type of
voltage or current connection is being made to the instrument.
• Connect the earth (ground) terminal first, before making any other
connections.
• When connecting to electric circuits or pulse initiating equipment,
open their related breakers. DO NOT install any connection of the
instrument on live power lines.
• Connections must be made to the instrument first, then connect to the
circuit to be monitored.
• 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.
• Make sure the instrument is turned OFF before connecting probes to
the rear panel.
• Before each use, inspect all cables for breaks or cracks in the
insulation. Replace immediately if defective.
• If the equipment is used in a manner not specified in this reference
guide, the protection provided by the equipment may be impaired.
These safety precautions are repeated where appropriate throughout
this manual.