Are Mercury Vapor lamps self-ballasting?
Although there are some self-ballasting Mercury vapor lamps, Westinghouse does not carry these types. All Mercury Vapor lamps we provide require an appropriate fixture and ballast. back to top • Can I use Metal Halide indoors? Yes but, check to see if the Metal Halide is “open-fixture” rated (also called “O-rated”). If it is not, an enclosed fixture is recommended. If the lamp does not have a shroud around the arc tube (“E=Rated”), it is an enclosed fixture only lamp. An S-rated lamp is suitable for open fixture operation only if operated in the vertical +/- 15 degree position. These lamps do not meet ANSI criteria for self-containment and must be turned off at least once per week for 15 minutes if operated 24 hours a day, seven days a week back to top • Sometimes my Metal Halide lamps vary in color, why is that? Because metal halide lamps use various arc tube designs and different chemicals in the arc tube, different colors are produced.
Although there are some self-ballasting Mercury vapor lamps, Westinghouse does not carry these types. All Mercury Vapor lamps we provide require an appropriate fixture and ballast. back to top • Can I use Metal Halide indoors? Yes but, check to see if the Metal Halide is “open-fixture” rated (also called “O-rated”). If it is not, an enclosed fixture is recommended. If the lamp does not have a shroud around the arc tube (“E=Rated”), it is an enclosed fixture only lamp. An S-rated lamp is suitable for open fixture operation only if operated in the vertical +/- 15 degree position. These lamps do not meet ANSI criteria for self-containment and must be turned off at least once per week for 15 minutes if operated 24 hours a day, seven days a week back to top • Sometimes my Metal Halide lamps vary in color, why is that? Because metal halide lamps use various arc tube designs and different chemicals in the arc tube, different colors are produced. In new lamps, these chemicals need to “burn-in”
