{"title":"What are Metal Halide Light Bulbs?","description":"\u003cdiv class=\"category-description\"\u003e\n\u003cspan style=\"font-size: 18pt;\"\u003eWHAT ARE METAL HALIDE LIGHT BULBS?\u003c\/span\u003e\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-family: Arial; font-size: 10pt;\"\u003eA metal-halide lamp is an electric light that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides[1][2] (compounds of metals with bromine or iodine). It is a type of high-intensity discharge (HID) gas discharge lamp.[1] Developed in the 1960s, they are similar to mercury vapor lamps,[1] but contain additional metal halide compounds in the arc tube, which improve the efficiency and color rendition of the light.\u003cbr\u003e\u003cbr\u003eMetal-halide lamps have high luminous efficacy of around 75 - 100 lumens per watt,[2] about twice the efficiency of mercury vapor lights and 3 to 5 times that of incandescent lights,[1] moderately long bulb life (6,000 to 15,000 hours)[2][3] and produce an intense white light. As one of the most efficient sources of high CRI white light, metal halides are the fastest growing segment of the lighting industry.[1] They are used for wide area overhead lighting[2] of commercial, industrial, and public spaces, such as parking lots, sports arenas, factories, and retail stores,[1] as well as residential security lighting and automotive headlamps (xenon headlights).\u003cbr\u003e\u003cbr\u003eThe lamps consist of a small fused quartz or ceramic arc tube which contains the gases and the arc, enclosed inside a larger glass bulb which has a coating to filter out the ultraviolet light produced.[1][3] Like other HID lamps, they operate under high pressure (4 to 20 atmospheres)[1] and require special fixtures to operate safely, as well as an electrical ballast. They also require a warm-up period of several minutes to reach full light output,[2] so they are not typically used for residential room lighting, which is turned off and on frequently.\u003cbr\u003e\u003cbr\u003e\u003c!--[if gte mso 9]\u003e\u003cxml\u003e\n \u003cw:worddocument\u003e\n  \u003cw:view\u003eNormal\u003c\/w:view\u003e\n  \u003cw:zoom\u003e0\u003c\/w:zoom\u003e\n  \u003cw:punctuationkerning\u003e\u003c\/w:punctuationkerning\u003e\n  \u003cw:validateagainstschemas\u003e\u003c\/w:validateagainstschemas\u003e\n  \u003cw:saveifxmlinvalid\u003efalse\u003c\/w:saveifxmlinvalid\u003e\n  \u003cw:ignoremixedcontent\u003efalse\u003c\/w:ignoremixedcontent\u003e\n  \u003cw:alwaysshowplaceholdertext\u003efalse\u003c\/w:alwaysshowplaceholdertext\u003e\n  \u003cw:compatibility\u003e\n   \u003cw:breakwrappedtables\u003e\u003c\/w:breakwrappedtables\u003e\n   \u003cw:snaptogridincell\u003e\u003c\/w:snaptogridincell\u003e\n   \u003cw:wraptextwithpunct\u003e\u003c\/w:wraptextwithpunct\u003e\n   \u003cw:useasianbreakrules\u003e\u003c\/w:useasianbreakrules\u003e\n   \u003cw:dontgrowautofit\u003e\u003c\/w:dontgrowautofit\u003e\n  \u003c\/w:compatibility\u003e\n  \u003cw:browserlevel\u003eMicrosoftInternetExplorer4\u003c\/w:browserlevel\u003e\n \u003c\/w:worddocument\u003e\n\u003c\/xml\u003e\u003c![endif]--\u003e\n\n\u003ctable class=\"MsoTableGrid\" style=\"border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;\n mso-yfti-tbllook:480;mso-padding-alt:0in 5.4pt 0in 5.4pt;mso-border-insideh:\n .5pt solid windowtext;mso-border-insidev:.5pt solid windowtext\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\"\u003e\n \u003ctbody\u003e\n\u003ctr style=\"mso-yfti-irow:0;mso-yfti-firstrow:yes\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;mso-border-alt:\n  solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003ePower Output\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd 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class=\"MsoNormal\"\u003eM175\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:2\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e39W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM130\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:3\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e50W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM110\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:4\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e70W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM98, M139, M143\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:5\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e100W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM90, M140\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:6\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e150W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM102, M142\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:7\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e175W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM57, M137\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:8\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e200W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM136\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:9\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e250W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM58, M138, M153\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:10\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e320W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM132, M154\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:11\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e350W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM131, M171\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:12\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e400W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM59, M135, M155\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:13\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e450W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM144\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:14\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e750W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM149\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr style=\"mso-yfti-irow:15;mso-yfti-lastrow:yes\"\u003e\n  \u003ctd style=\"width:221.4pt;border:solid windowtext 1.0pt;border-top:\n  none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;\n  padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003e1000W\u003c\/p\u003e\n  \u003c\/td\u003e\n  \u003ctd style=\"width:221.4pt;border-top:none;border-left:none;\n  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;\n  mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;\n  mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt\" width=\"295\"\u003e\n  \u003cp class=\"MsoNormal\"\u003eM47, M141\u003c\/p\u003e\n  \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/3726\/3048\/collections\/apiep8pec__31234.jpg?v=1752657997","url":"https:\/\/plumlighting.com\/collections\/what-are-metal-halide-light-bulbs.oembed","provider":"Superior Lighting","version":"1.0","type":"link"}