Brand Name: Sigma Electric | CSA LIsted: Yes | Color: Silver | Conduit Compatibility: Rigid/IMC | Diameter: 1/2 in. | Material: Zinc Plated Steel | Number in Package: 1 pk | Packaging Type: Bagged | Sub Brand: ProConnex | UL Listed: Yes | Indoor or Outdoor: Indoor Sigma Electric is a leading, vertically integrated manufacturer of electrical fittings and other precision engineered solutions serving as a trusted, reliable supply chain partner to a global customer base. We manufacture and sell metal castings and injection molded products and accessories used in a variety of industries including commercial, industrial and residential construction and power transmission. | Compression type couplings are used to join lengths of steel EMT conduit | Approved for use in concrete-tight applications | Easy to use