The TESCO Meter Test Click Switch (Catalog No. 995A) simplifies your testing needs and makes a great accessory to the TESCO Field Test Kit line. The 995A is a normally closed push button switch. This switch connects directly to the input BNC of any TESCO or RD/RM standard. The switch housing is stainless steel and built with the TESCO tradition of durability and ruggedness for the field. The standard switch is available 4ft in length. Custom lengths are available as well.