Which type of device can be used instead of a required guard for appliances installed on rooftops?

In accordance with safety regulations for rooftop installations, a fall arrest/restraint anchor connector serves as a valid alternative to a required guard. This type of device is crucial in preventing falls by providing a secure attachment point for safety harnesses and other personal fall protection systems. When working on rooftops, ensuring worker safety is paramount, and the fall arrest/restraint anchor connector achieves this by allowing individuals to tether themselves securely, thus mitigating the risk of falls.

While guard rails are a common protective measure, they are not always a feasible solution in every installation scenario, which is where the fall arrest/restraint anchor connector becomes particularly useful. This device allows for increased flexibility and accessibility on rooftops without sacrificing safety. Additionally, safety nets and safety harnesses play supportive roles but do not replace the function of a guard when it comes to providing an immediate physical barrier or structural support. Therefore, the fall arrest/restraint anchor connector stands out as the appropriate choice in this context.