Edwards Signaling vibrating horns are heavy-duty, explosion-proof, high decibel horns designed for use in hazardous locations. Diode polarized versions are also available. They are intended for use in hazardous locations requiring electrical supervision of signaling circuit field wiring. Edwards’ hazardous location audible signals produce sounds designed to alert, warn, communicate and protect. With the industry’s broadest line, Edwards Signaling have the proven products that can help make your hazardous locations a bit less hazardous.