2-4
IM CW120-E
● Differentiating between Voltage Probes
Voltage probes are differentiated by color for correct connections.
• Probe for terminal N: Probe with a black alligator plug
• Probes for terminals V1 to V3: Probes with a red, yellow, or blue alligator
plug
Accompanying probes
CW120: Three (black, red, and yellow)
CW121: Four (black, red, yellow, and blue)
● Differentiating between Clamp-on Current Probes
Use accompanying ring markers (of four different colors) to differentiate
clamp-on current probes for correct connections.
CW120: Terminals CH1 to CH2
CW121: Terminals CH1 to CH3
Use of Ring Markers
Attach ring markers of the same color to both ends of the probe cable for easy
identification.
CAUTION
Be careful not to damage a probe when attaching ring markers.
2.2 Connecting Input Signals
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