Tripp Lite provides a variety of surge suppressors and power strips with hospital-grade outlets and plugs (which are identified by a green dot). This simply means that the outlets and plugs are constructed to meet demanding healthcare environments. Hospital-grade does not mean that the product can be used anywhere within a healthcare application. Since these products are not UL 60601-1 certified, they can only be used outside of patient-care areas. Surge suppressors protect connected equipment against damaging surges and line noise distortion. Power strips do not include this protection, but instead serve as a convenient power distribution source. All models feature rugged, metal housings.