Ralph Mueller invented the “alligator clip” back in 1908 and gave birth to this company that has been around for over century. To many Mueller Electric is best known as the market leader in Electronic Clips and Insulators, they offer a comprehensive line of electronics connectors and cable assemblies.
The 3 Circuit In-Line Housing Cap from TE has .250 centerline spacing and can be used in both free-hanging and panel mount applications. The cap is made with Nylon that is UL94V-2 rated and has a temperature rating of 125C. The cap's dimensions are 27.43 mm by 7.62 mm and it is intended for use with plugs carrying part number 1-480700-0.