Wearable technologies are an increasingly popular consumer electronic for a variety of applications at home and at work. In general, these devices include accessories and clothing that incorporate advanced electronic technologies, often with smartphone or ‘internet of things’ (IoT) connectivity. While wearables are increasingly being used to improve health and well-being by aiding in personal fitness, innovative applications for monitoring occupational safety and health risk factors are becoming more common.

Construction workers are at risk of death or serious injury if they enter an unprotected trench and the walls col¬lapse. A trench is defined as a narrow underground excavation that is deeper than it is wide, and is no wider than 15 feet or 4.5 meters [OSHA]. Hazards associated with trench work and excavation are well defined and preventable.