Electrical plug lockouts are a simple solution for electric equipment lockout procedures. They prevent electrical plugs from being inserted into a wall outlet. Accommodates a large variety of plug shapes and sizes. Constructed of rugged polypropylene. Equipping your employees with the proper lockout tools and warning devices can save lives, reduce lost employee time, and cut insurance costs. Brady® is a world leader in lockout/tagout products and services offering industry expertise and a broad range of durable, easy-to-use lockout devices.