Build your own Live Wire Detector for Contactless AC Voltage Detection

A contactless voltage detector could come in very handy when dealing with such situations to be sure about no presence of voltage before performing any task related to reconditioning of electrical systems.

Aideepen Design DC 12V AC 1000V Mini Pen-shaped Voltage Meter Contactless Detection Device Voltage Detector With LED Flashlight - Buy Aideepen Design DC 12V AC 1000V Mini Pen-shaped Voltage Meter Contactless Detection

Goodhd VD806 AC/DC voltage tester Current non-contact voltage detector Circuit tester

DIY Non Contact Voltage Tester [Tested] - ElectronicsHub

Contactless Voltage Detector : 15 Steps (with Pictures) - Instructables

2PCS LETONNEY Voltage Tester, Non Contact Voltage Detector, Circuit Tester Dual Range Voltage Sniffer AC 12V-1000V/48V-1000V, Live/Null Wire Tester with Alarm and Flashlight (Blue) - Yahoo Shopping

Contactless Voltage Detector : 15 Steps (with Pictures) - Instructables

NON-CONTACT TEST - Just put the tip of non-contact voltage tester near the terminal board, socket or power cord, they can intelligently identify

UNI-T Non-Contact AC Voltage Tester Pen, 24V-1000V Volt Detector Pen, Dual Range Live/Null Wire Tester Circuit Tester with LCD Display, Buzzer Alarm

Contactless Voltage Detector

Wireless AC Power Detector Project