Power Supply Polarity Detection Ground Wire

Overview

Power Supply Polarity Detection Ground Wire module can be used to check whether the wireline to ground zero of the socket has been connected，screening the hidden trouble in a security of household socket to ensure electrical safety.

The function and characteristics

● The onboard terminal 5.08 mm
● The onboard three LED status indicators
● Can be used to detect the rated current of 10A or 16A socket

Introduced the hardware and instructions

● The board size: 25 * 17 mm
● The board function description:
Modules on the terminal of L, N, E feet, respectively connect the socket of L (fire/phase line), N (zero line), E (ground), and then according to the L1, L2, L3 three lamp judging the state of the socket connection is correct (0: the lights went out,1: the light on).

L1 L2 L3 The test results
0 1 1 Correct wiring
0 1 0 Ground wire no wiring
0 0 1 Null line no wiring
1 1 0 Livewire and Null line connect opposite
1 0 1 Livewire and Ground wire connect opposite
1 1 1 Livewire and Ground wire connect opposite, Ground wire no wiring