American National Standard for Electric Lamps - Use of Protective Shields with Tungsten Halogen (TH) Lamps - Cautionary Notice
美国电灯国家标准.卤钨(TH)灯防护罩的使用.注意事项
ANSI C78.1451-2002 (S2018) applies to the use of protective shields with all TH lamps that do not have an integral device that protects against shattering and ultraviolet emissions.