"The first socket tester to show where the actual fault is – Live, Earth or Neutral New patented ‘Fault Locate’ electronics gives clearest indication yet of 17 wiring fault conditions Continuous or strong warbling tone gives positive quick indication of good of faulty wiring Built-in self-check at start of testing gives confidence in correct operation at all times The Socket & See SOK32 takes out the guess work – the simple solution for mains wiring testing. Logical Green for GO. Bright, easy to read LED’s. Clear Audible Indication (SOK22 & SOK32 only). Error free testing. Modern production methods ensure great performance and value. Tough, smooth-contoured construction. Eye-catching body colour – easy to find in a toolkit. Advanced electronic circuits mean positive & reliable indication. The testers are designed to give a quick & easy indication of correct wiring at the socket. Particular emphasis is placed on detecting very dangerous wiring conditions such as reversed live earth connections & disconnected wires. Features: The first socket tester to show where the actual fault is – Live, Earth or Neutral New patented ‘Fault Locate’ electronics gives clearest indication yet of 17 wiring fault conditions Continuous or strong warbling tone gives positive quick indication of good of faulty wiring Built-in self-check at start of testing gives confidence in correct operation at all times"