The CONTACT TESTER is a contact voltage detector AC, that should be used ONLY with a Hot Stick or Grip-All-Stick. Its electronic circuit of updated conception provides reliable and accurate indications, through visual and sound warnings. The CONTACT TESTER is indispensable when performing maintenance in AC systems (transmission lines, distribution lines, substations, cubicles a.s.o.), so that the lineman can be sure that the working place is de-energized, permitting the installation of the temporary grounding equipment, which will guarantee the necessary safety to perform the maintenance. The ROUND design provides for a light-weight equipment, besides allowing a better visualization of the place to be tested. Technical Characteristics :