18 . High-Performance Lambda Spectrometers Hardware Guide
Electrical Safety Issues
To ensure satisfactory and safe operation of the instrument, it is essential that the
green/yellow lead of the line power cord is connected to true electrical earth (ground).
If any part of the instrument is not installed by a PerkinElmer Service Engineer, make sure
that the line power plug is wired correctly.
Terminal Cord Lead Colors
International USA
Live Brown Black
Neutral Blue White
Protective Conductor (earth/ground) Green/Yellow Green
NOTE: The instrument must always be positioned so that it can be easily disconnected from
the power supply.