Fluke Biomedical ESA620 - Manual (Page 35)

Electrical Safety Analyzer
Performing Electrical Safety Tests
21
Table 4. Schematic Abbreviations
Abbreviation Meaning
MD Measuring Device
FE Functional Earth
PE Protective Earth
Mains Mains Voltage Supply
L1 Hot Conductor
L2 Neutral Conductor
DUT Device Under Test
DUT_L1 Device Under Test hot conductor
DUT_L2 Device Under Test neutral conductor
DUT_PE Device Under Test protective earth line
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