Error table
| RED | RED | RED | |
| CORRECT | ● | ● | ○ |
| OPEN GROUND | ● | ○ | ○ |
| OPEN NEUTRAL | ○ | ● | ○ |
| OPEN LIVE | ○ | ○ | ○ |
| LIVE/GRD REVERSE | ○ | ● | ● |
| LIVE/NEU REVERSE | ● | ○ | ● |
| LIVE/ GRD REVERSE; missing GRD | ● | ● | ● |
Note:
l LIVE/GRD RESVERSE, missing GRD: It is the reverse connection between the live line and ground line, and the ground line is unconnected.
This tester cannot distinguish between neutral line and ground wire reverse
Digital Socket Tester GD105B EU plug:
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