Patent ID: 6737978
Filing Date: 2004-05-18
Classification: G01R

Abstract:
A voltage testing apparatus for an electrical railway having an overhead power cable and a ground, comprising in combination:a transportable pole having a first end and a second end; electrically conducting cable-engaging means comprising a hook attached to said first end of said pole for electrically contacting said overhead power cable; an electrical power indicator having a perimeter, said electrical power indicator comprising an LED array of at least three LED panels positioned about said perimeter, said LED array visible from any horizontal location, said electrical power indicator electrically connected to said cable engaging means; an enclosure for said electrical power indicator at least partially transparent whereby said electrical power indicator can be observed from outside said enclosure; and ground engaging means electrically connected to said electrical power indicator, said ground engaging means arranged to connect to said ground to complete an electrical circuit between said cable, said electrical power indicator and said ground.