48 GMC-I Messtechnik GmbH
8.12 Testing Extension Cords – EL1
Measurement at Single-Phase Extension Cords with EL1
Schematic Diagram
Wiring Diagram
Measurement at Single and 3-Phase Extension Cords with VL2E
Schematic Diagram
Wiring Diagram
Measurement at Single and 3-Phase Extension Cords with AT3-IIIE
Schematic Diagram
Wiring Diagram
Single measurements, rotary switch level: green
Switch
Position
Measuring Functions Measurement
Type,
Without Mains
to Test Socket
EL1
Extension cord test
with adapter for single or 3-phase extension cords for
testing:
– Continuity
– Short-circuit
– Incorrect polarity (reversed wires)
EL1 adapter
AT3-I IIE adapter
VL2E adapter