Fluke Biomedical ESA615 - Manual (Page 39)

Electrical Safety Analyzer
How to Do Electrical Safety Tests
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Table 4. Schematic Abbreviations
Abbreviation Meaning
MD Measurement Device (ESA615 Analyzer)
FE Functional Earth
PE Protective Earth
Mains Mains voltage supply
L1 Live conductor
L2 Neutral conductor
DUT Device Under Test
DUT_L1 Device Under Test live conductor
DUT_L2 Device Under Test neutral conductor
DUT_PE Device Under Test Protective Earth
REV POL Reversed mains supply polarity
LEAD GND Lead to ground, used in patient leakage test
MAP Mains on Applied Part
MAP REV Reverse Mains on Applied Part source voltage
PE Open Open Protective Earth
Test voltage