Electrical Installation Tester
Making Measurements
35
Testing Phase Sequence (Model 1653 Only)
.
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Figure 20. Phase Sequence Display/Switch and
Terminal Settings
Use the connection shown in Figure 21 when making a
phase sequence test connection.
L1
L2
L3
PE (L2/Green)
L (L1/Red)
N (L3/Blue)
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Figure 21. Phase Sequence Test Connection
To perform a phase sequence test
1. Turn the rotary switch to the Q position.
2. The primary (upper) display shows:
• 123 for correct phase sequence.
• 321 for reversed phase sequence.
• Dashes (---) instead of numbers if insufficient
voltage is sensed.
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