Patents Assigned to Macey Mining Services Pty. Ltd. - Justia Patents Search

Patents Assigned to Macey Mining Services Pty. Ltd.

Apparatus for testing multiphase outlet with visual indication of phase energization, phase rotation, and supply voltage

Patent number: 4885532

Abstract: The present invention discloses electrical testing apparatus to test an AC multiphase supply outlet. The apparatus is located within a flame proof enclosure and provides a visual indication of phase energization, direction of phase rotation, and supply voltage.

Type: Grant

Filed: August 24, 1988

Date of Patent: December 5, 1989

Assignee: Macey Mining Services Pty. Ltd.

Inventor: Laurence D. Macey