Protective Guards & Cages

STI Horn/Strobe/Speaker Damage Stoppers – Protective Wire Guards for System Sensor Devices STI Horn Strobe Speaker Damage Stoppers are rugged wire guards engineered to protect System Sensor notification appliances from vandalism and accidental...

STI Beacon & Sounder Damage Stopper® Series – Heavy-Duty Wire Guards The STI Beacon & Sounder Damage Stopper® Series is a rugged line of wire guards designed to shield beacons and sounders from vandalism, tampering, and accidental...

STI Beam Smoke Damage Stoppers – Protective Wire Guards for Beam Detectors STI Beam Smoke Damage Stoppers are heavy-duty wire guards designed to protect beam-type smoke detector components, including transmitters and receivers, from vandalism,...

STI Clock and Bell Damage Stoppers – Wire Guards for Clocks and Sounders STI Clock and Bell Damage Stoppers are robust wire guards engineered to protect clocks, bells, and similar devices from vandalism and accidental damage. These heavy-duty...

STI Emergency Light Damage Stoppers – Wire Guards for Emergency Lighting STI Emergency Light Damage Stoppers are durable wire guards designed to protect emergency lights from vandalism and accidental damage. Constructed from tough steel wire with...

STI Exit Sign Damage Stoppers – Wire Guards for Exit Sign Protection STI Exit Sign Damage Stoppers are heavy-duty wire guards engineered to protect exit signs from vandalism and accidental damage. Constructed from 9-gauge coated steel wire, these...

STI Fluorescent Light Damage Stoppers – Wire Guards for Twin-Tube Fixtures STI Fluorescent Light Damage Stoppers offer long-term protection for fluorescent twin-tube fixtures in high-risk environments. These heavy-duty wire guards are constructed...

STI Horn/Strobe & Strobe Damage Stopper® Series – Polycarbonate Protective Covers The STI Horn/Strobe & Strobe Damage Stopper® Series offers virtually indestructible protective covers for notification appliances, designed to prevent...

STI Horn/Strobe/Speaker Damage Stoppers – Protective Wire Guards for System Sensor Devices STI Horn Strobe Speaker Damage Stoppers are rugged wire guards engineered to protect System Sensor notification appliances from vandalism and accidental...

STI Motion Detector Damage Stoppers – Wire Cages for PIR Protection STI Motion Detector Damage Stoppers are heavy-duty wire guards designed to protect passive infrared (PIR) motion detectors from vandalism, accidental damage, and high-maintenance...

STI Smoke Detector Damage Stoppers – Protective Covers for Smoke Alarms STI Smoke Detector Damage Stoppers provide reliable protection against vandalism, tampering, and accidental damage to smoke detectors in high-risk environments. These robust...

STI Speaker Guard Damage Stopper® Series – Heavy-Duty Wire Guards The STI Speaker Guard Damage Stopper® Series offers rugged wire cage protection for speakers and projectors in areas prone to abuse. Constructed from 9-gauge steel wire...

STI Steel Web Stoppers – Wire Guards for Smoke Detector Protection STI Steel Web Stoppers are durable wire guards designed to prevent vandalism and accidental damage to smoke detectors in controlled environments. Featuring a patented web-like...

STI Stopper® Dome Heated Enclosure – Type 4X Heated Protective Covers The STI Stopper® Dome Heated Enclosure is engineered to protect strobe notification appliances in extreme cold and harsh environments. Featuring a thermostatically...

STI Wire Guard Damage Stoppers – Multi-Use Steel Enclosures for Indoor Equipment Protection STI Wire Guard Damage Stoppers are rugged, multi-use wire enclosures designed to safeguard sensitive indoor equipment from theft, vandalism, or accidental...

STI-9750 Series Horn/Strobe Damage Stoppers The STI-9750 Series brings rugged wire guard protection to Edwards GC Series and Kidde EGC Series notification appliances. Engineered with heavy-duty 9-gauge steel wire and a corrosion-resistant polyester...

STI-9760 Series Horn/Strobe Damage Stoppers When your System Sensor L Series horns and strobes need maximum protection, turn to the STI-9760 Series Damage Stoppers. Designed for both ceiling and wall-mounted L Series devices, this lineup delivers a...

STI Stopper® Dome Series – Protective Covers for Horns, Speakers, and Strobes The STI Stopper® Dome Series provides rugged, clear polycarbonate covers that protect horn/strobe units, speakers, and strobes from vandalism, accidental impact,...