2-25
IM WT310E-02EN
Making Preparations for Measurements
2
Wiring Patterns
When you are wiring a single-phase device, there are the four patterns of terminal wiring positions
shown in the following figures for wiring the voltage input and current input terminals. To select which
pattern to use, see section 2.7.
SOURCE
LOAD
U
I
C
V
LOAD
U
V
I
C
SOURCE
SOURCE
LOAD
SOURCE
LOAD
±
±
±
±
SOURCE
LOAD
SOURCE
LOAD
SOURCE
LOAD
U
I
C
V
SOURCE
LOAD
U
I
C
V
±
±
±
±
C
±
V
±
C
±
V
±
C
±
V
±
C
±
V
±
2.9 Wiring the Circuit under Measurement for Direct Input