The AMHS series enclosure-hole plugs assemble easily with no tools necessary. They fill unwanted holes in fiberglass and steel electrical enclosures and come in standard hole sizes for pilot lights, push buttons, and conduit fittings. The plugs feature a low profile interior nut and exterior plug and are designed for simple installation in large enclosures that can be completed by one person. Price starts at $6. For a complete spec sheet, go to http://www.omega.com/pptst/AMHS.html
Omega Engineering Inc.
Read more on