Exact Duplicate File Detector

What is the exact duplicate file detector? It is a software to remove the headache duplicate files in our PC. There is a lot of software in the internet and easy to find. Just want to try this as doing this will ease my jobs and files in the PC are manageable in a proper way.

Phasing Sticks or Digital Voltmeter 11kV & 33kV

Phasing Sticks or Digital Voltmeter 

Phasing stick is used in high voltage installation for phase testing between two terminals before connection is made. It is also used as a voltage indicator for 11kV installation. 

Main component 

1. Live Conductor Tester
2. Phasing Rod
3. Proving Unit 
4. Extension Rod
5. Test leads 
6. Casing 

Which brand is better? Seawards or Transcat?




Above is the video on how they use the phasing sticks.