前言:这是CSA C22的第五版。2第74号，与放电灯一起使用的设备，CSA集团根据《加拿大电气规范》第二部分发布的一系列标准之一。它取代了1996年、1992年、1969年和1954年出版的之前版本。本版本分为三部分，包括荧光灯镇流器、高强度放电灯镇流器和辅助设备（如灯座和起动器）的要求。以下章节在本版本中有所更改:a）间距要求——第4.20.5条，第1b部分）浪涌电流——第4条。 24.4，第1c部分）电击试验风险–第6.11条，第1d部分）抗电弧试验方法–第6.12条，第1部分和e）谐波建议–第4.25条，第1部分和第4.19条，第2部分----------------------------------------------------------------------------------------------------------------------------------------------C22。2 No.74-16-第1部分-与荧光灯一起使用的镇流器示波器:1.1本标准第1部分适用于与荧光灯一起使用的电阻、电抗和电子（固态）类型镇流器，无论是安装在灯具中还是其他设备中，在启动或运行条件下，其对地电位小于等于2500 V，根据《加拿大电气规范》第一部分，设计用于供电导体之间不超过600 V的电路。 1.2在本标准本部分中，“应”用于表示要求，即用户有义务满足的条款，以符合本标准；“应该”用于表示建议或建议但不需要的建议；“可”用于表示一个选项或在标准范围内允许的选项。注释随附条款不包括要求或替代要求；随附条款的注释的目的是将解释性或信息性材料与文本分开。表和图的注释被视为表或图的一部分，可以作为要求编写。 附件被指定为规范性（强制性）或信息性（非强制性）以定义其应用--------------------------------------------------------------------------------------------------------------------------------C22。2 No.74-16-第2部分-与高强度放电灯一起使用的镇流器范围:1.1本标准的这部分适用于与金属蒸汽类型的高强度放电灯一起使用的镇流器，包括低压钠和类似类型，用于永久安装在导体之间不超过600 V的分支电路上，根据《加拿大电气规范》第一部分的规定。 1.2本部分标准不适用于CSA C22规定的冷阴极、发光管（霓虹灯）和氙气灯中使用的镇流器。2第255.1.3条在本部分标准中，“应”用于表示要求，即用户为遵守本标准而有义务满足的规定；“应该”用于表示建议或建议但不需要的建议；“可”用于表示一个选项或在标准范围内允许的选项。注释随附条款不包括要求或替代要求； 随附条款的注释的目的是将解释性或信息性材料与文本分开。表和图的注释被视为表或图的一部分，可以作为要求编写。附件被指定为规范性（强制性）或信息性（非强制性）以定义其应用--------------------------------------------------------------------------------------------------------------------------------C22。2 No.74-16-第3部分-辅助设备-起动器、支架示波器:本部分标准适用于自动和手动类型的起动器，该起动器拟与本标准第1部分中所述的荧光镇流器一起使用，用于预热型电动起动器的操作- 符合《加拿大电气规范》第一部分规定的放电灯。

Preface:This is the fifth edition of CSA C22.2 No. 74,Equipment for use with electric discharge lamps, one of a series of Standards issued by CSA Group under Part II of theCanadian Electrical Code. It supersedes the previous editions published in 1996, 1992, 1969, and 1954.This edition incorporates, in three parts, requirements for fluorescent light ballasts, high-intensity discharge lamp ballasts, and ancillary equipment such as lampholders and starters.The following sections have changed in this edition:a) spacings requirements – Clause 4.20.5, Part 1b) inrush current – Clause 4.24.4, Part 1c) risk of electric shock test – Clause 6.11, Part 1d) anti arcing test method – Clause 6.12, Part 1 ande) harmonics proposal – Clause 4.25, Part 1 and Clause 4.19, Part 2-------------------------------------------------------------------------------------------------------------------------------C22.2 No. 74-16 -Part 1 - Ballasts for use with fluorescent lampsScope:1.1Part 1 of this Standard applies to ballasts of the resistance, reactance, and electronic (solid state) types for use with fluorescent lamps, involving potentials of 2500 V to ground or less during either starting or running conditions, whether intended for mounting in a luminaire or otherwise, and designed to be employed on circuits of not more than 600 V between supply conductors in accordance with theCanadian Electrical Code, Part I.1.2In this Part of this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.--------------------------------------------------------------------------------------------------------------------------------C22.2 No. 74-16 -Part 2 - Ballasts for use with high-intensity discharge lampsScope:1.1This Part of the Standard applies to ballasts for use with high-intensity electric discharge lamps of the metallic vapour types including low-pressure sodium and similar types, intended for permanent installation on branch circuits of not more than 600 V between conductors, in accordance with the Rules of theCanadian Electrical Code, Part I.1.2This Part of the Standard does not apply to ballasts intended for use in cold cathode, luminous tube (neon), and xenon lamps as specified in CSA C22.2 No. 255.1.3In this Part of the Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.--------------------------------------------------------------------------------------------------------------------------------C22.2 No. 74-16 -Part 3 - Ancillary equipment — Starters, holdersScope:This Part of the Standard applies to starters of both the automatic and manual types that are intended for use in conjunction with fluorescent ballasts covered in Part 1 of this Standard for the operation of preheat type electric-discharge lamps, in accordance with the Rules of Part I of theCanadian Electrical Code.