The Telemecanique DE9RA1012 1/2″ NPT Conduit Adapter Safety Switch Accessory is a high-quality rocker switch designed for electrical equipment and supplies in industrial and commercial settings. This unit is a single piece and includes a 1/2″ NPT conduit adapter for easy installation. With the trusted Telemecanique brand behind it, this safety switch accessory provides reliable and secure control for your electrical systems.