Pilot light and lighted handle extra heavy-duty specification grade. Pilot light and lighted handle switches provide top performance in punishing industrial applications. Lighted handle illuminated when load is OFF. Pilot light toggle illuminated when load is ON. 120 and 277 V versions in single pole and 3-way. Fully enclosed switch mechanism in rugged housing for strength, track and arc resistance. Self-grounding clip (self-grounding when used with a grounded metal wall box).