Which UL standard addresses the installation protocols for burglar alarms?

The correct answer, UL 681, specifically addresses the installation requirements and protocols for burglar alarm systems. This standard is critical as it provides guidelines on the installation design, equipment selection, and operational functionality necessary to ensure that burglar alarms function effectively and comply with safety and reliability expectations.

UL 681 covers both the requirements for alarm equipment and the standards for the installation practices to ensure that systems are installed in a manner that maintains their effectiveness and reduces false alarms. These protocols include considerations regarding the wiring, placement of sensors, and overall system design, ensuring that alarms operate as intended in real-life security situations.

The other standards listed focus on different aspects of security and alarm systems. For instance, UL 722 pertains to the testing and performance of smoke detectors, UL 1638 deals with visual alarm signaling devices, and UL 1040 addresses the performance of burglar alarm units, but not the installation processes. Thus, UL 681 is the most relevant standard for the protocols surrounding the installation of burglar alarms.