STOPLIGHT is a complete, inexpensive high resistance grounding system that provides system wide protection against damaging ground faults. Using a simple but effective three light system, Stoplight provides visual indication and available remote annunciation to inform operations and maintenance personnel of ground faults.
A red light indicates an active ground fault, an amber light indicates a ground fault has occurred but is intermittent and a green light signifies that there are no active ground faults on the system.

Inexpensive ground fault protection with visual indication in NEMA 3R enclosure

Optional pulsing system for easier fault location

Unique 3 light system for esy visual indication of system condition

Available for 480V, 600V and 4160V distribution systems