NEMA C78.21 Incandescent Lamps - PAR and R Shapes
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- DIN EN ISO 9241-307 Ergonomics of human-system interaction - Part 307: Analysis and compliance test methods for electronic visual displays (ISO 9241-307:2008)
- DIN EN ISO 9241-303 Ergonomics of human-system interaction - Part 303: Requirements for electronic visual displays (ISO 9241-303:2011)
- ISO 9241-302 Ergonomics of human-system interaction — Part 302: Terminology for electronic visual displays - First Edition
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- Картотека зарубежных и международных стандартов
National Electrical Manufacturers Association
Incandescent Lamps - PAR and R Shapes
N C78.21
Annotation
This standard provides physical and electrical characteristics of the group of incandescent lamps that have PAR and R bulb shapes. Lamps with clear, frosted, and lens end bulbs, with clear and prescription lenses, and with various reflector coatings are covered. Lamps covered in this standard may contain either of two basic types of light sources: an incandescent filament or a tungsten halogen inner bulb. Sunlamps and heat lamps of the R type are included. Lamps with discharge arc tubes are not included.
Other groups of incandescent lamp standards are affected by this revision. Please see the normative paragraph below referencing 78.20, 78.22, and 78.23.
At the time of issuance of this standard there was no comparable standard published by the International Electrotechnical Commission (IEC).
Автоматический перевод:
Лампы накаливания - PAR и формы R
Этот стандарт предоставляет физические и электрические характеристики группы ламп накаливания, которые имеют PAR и формы лампы R. Лампы с ясным, матовым и лампами конца линзы, с ясным и линзами предписания, и с различными покрытиями отражателя покрыты. Лампы, охваченные в этом стандарте, могут содержать любой из двух основных типов источников света: накаленная нить или галоген вольфрама внутренняя лампа. Ультрафиолетовые лампы и инфракрасные лампы типа R включены. Лампы с трубами дуги выброса не включены.



