EG4xxx Owner’s Manual
2
INSTALLATION
Throughout the rest of this document, we use the term “phase” to refer both to the
phases of 3-phase power distribution as well as the two legs used in split-phase
power distribution.
The following table describes the symbols used on the device:
Symbol:
Description:
Caution, risk of danger.
2.4.1
Measurement Category
Measurement Category III is for measurements performed in the building installa-
tion. Examples are measurements on distribution boards, circuit-breakers, wiring,
including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed
installation, and equipment for industrial use and some other equipment, for ex-
ample, stationary motors with permanent connection to the fixed installation.
2.5
Safety Warnings
Please follow the installation instructions in this manual for wiring diagram and
proper selection of CTs.
To reduce the risk of electric shock:
• Do not connect device to a circuit operating at
>
277 Vrms to neutral.
• Always connect an appropriate neutral connection (not ground), and do not
apply voltage to device without an appropriate N terminal connection.
• Always open or disconnect circuits from Power Distribution System of
building before installing or servicing the unit or attached current trans-
formers.
• Only connect authorized .333Vrms CTs to the CT inputs of the device (see
section B.6).
April 6, 2022
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