Lot of 10 Photocontrol Light Sensing Devices Tork/Hubbel/Lumatrol

Lot of 10 Photocontrol Light Sensing Devices Tork/Hubbel/LumatrolPHOTOCONTROL / PHOTOCELL / PHOTO ELECTRIC CELL / LIGHT SENSOR: A light-sensing device used to control luminaries, which turns the lamp off during the day, and turns the lamp on at night, in response to detected light levels. A socket for the photocontrol is usually built into, and is part of the luminaire housing.7 - Tork 23001 - Hubbel PTL-12 - Lumatrol