WATERPROOF LED LIGHTING APPARATUS FOR UNDERGROUND DUCT AND UNDERGROUND COMMON

摘要

PURPOSE: A waterproof led lighting apparatus for an underground power cable tunnel and an underground utility-pipe conduit is provided to use a connection pin as a signal line, thereby reducing manufacturing costs. CONSTITUTION: A temperature sensor senses the heat of an LED panel. The LED panel arranges multiple LED terminals. A case(210) covers the LED lamp from the outside. An LED driver(220) supplies drive power. A plug part(230) includes two sensor plugs.