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CT20 – Remote & Local Continuity Tester

The CT20 is an electronic tool for electricians, alarm, cable installers and others who routinely need to check circuits for continuity and also identify cables and wires. It allows a single user to quickly identify and label two wires even when the wire ends are located in different rooms. It can accommodate test wire lengths up to 10,000-feet (3,000 meters), 26-gauge minimum. The CT20’s Remote Continuity mode allows the user to check continuity and to identify two or more cables/wires simultaneously.

  • A bright flashing LED and loud pulsating beeper indicate local continuity
  • Remote continuity with the use of the remote probe
  • Flashing remote probe – two lead, bi-color (red/green) LED probe allows a single user to identify up to three wires or cables at a time
  • Lightweight and pocketsized, clips on and hangs from the cable(s) under test without falling off
  • Great for Electricians and Helpers, Cable TV and Audio System Installers, Alarm Technicians, Plumbers, HVAC Installers etc.
Specifications Range
Power supply 9 Volt Battery
Beeper 85dB beeper
Battery life Approx. 12 months with normal use.
Continuity confirmation Equal to or less than 2.0 K Ohms
Continuity drive current: Pulsed (2.0 Hz) 20 – 50mA at 10 Ohms and 2.0mA – 8.0mA at 1000 Ohms.
Wire Verification Distance 10,000 ft., 3,000 m (26 Gage min.)
Fuse 250V 0.5A fast blow
Operating Temperature -12 to 45°C (10°F to 113°F)
Storage Temperature -20 to 80°C (-4 to 176°F)
Operating Humidity 10 to 90% RH (non-condensing)
Dimensions 90 x 57 x 29mm (3.6 x 2.2 x 1.14″)
Weight 260g (9.2oz)
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