Fire alarm systems serve as life lines to safe and secure buildings. As one of the leading manufacturers of fire alarm cable, SDI Cable knows proper cable selection is critical to effective system performance.  Our fire alarm wire has many applications. Fire alarm cables may be used in smoke alarms and detectors, voice communications, addressable fire alarm systems, microprocessor controlled systems, pull boxes, burglar alarms, wiring of fire alarms, and fire protective circuits. The cables also meet NEC and UL guidelines.