Hastings new voltage tester ensures safety for line workers by giving them the voltage information they need to make the right decisions on the job. This live tester, non-contact voltage detector uses ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

Klein Tools introduces the Non-Contact Voltage Tester with Laser Distance Meter (Cat. No. NCVT-6), which detects the presence of AC voltage and measures distances up to 66 ft – all in one lightweight, ...

This is a CMOS IC (CD4033) based circuit which can be used to detect presence of AC mains voltage without any electrical contact with the conductor carrying AC current/voltage. Thus it can be used to ...