EXTECH COATING THICKNESS SILICA GEL.

BESANTEK GFCI Socket Tester used to confirm the proper wiring of US standard electrical outlets/sockets/receptacles and those wired with ground fault circuit interrupter (GFCI) in residential & industrial settings.

Fast and easy wiring check.
Easy to read light indication.
Confirm the correct wiring of AC socket.
Test GFCI for correct wiring & operation.
Detect 5 wiring faults.
GFCI circuit trips to confirm the tester is working.
The testing current for GFCI is about 8mA.