Clamp Meter Reads Zero? Troubleshooter
Most clamp mistakes are clamping both wires or using AC mode.
A clamp meter measures one wire at a time. Work through one question at a time. You can go back or start over whenever you like.
Your answers so far
Safety: this troubleshooter is general information for low-voltage DC learning circuits. 240V AC mains can kill: in Australia, work on mains wiring must be done by a licensed electrician. Disconnect power before you touch wiring.
