序言这是CSA C22的第三版。2第203.1号，制造布线系统。它取代了2014年和1994年出版的之前版本。它是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。有关《加拿大电气规范》第二部分标准的一般信息，请参见CSA C22的前言。2第0号，一般要求——加拿大电气规范，第二部分。本版本的主要变化包括:a）从附录a中删除的功率表系统，并纳入CSA C22。 2第203.2号；b）编辑上的改变。本标准适用于本标准规定范围内的合格评定。本标准的制定符合加拿大标准委员会对加拿大国家标准的要求。CSA集团已将其作为加拿大国家标准发布。范围1。1本标准适用于根据《加拿大电气规范》第I.1.2部分，安装在干燥、无危险位置的可接近区域的制造布线系统。本标准适用于最大额定电压为600 V，最大额定电流为30 a的制造布线系统。 1.3在本标准中，“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。

PrefaceThis is the third edition of CSA C22.2 No. 203.1, Manufactured wiring systems. It supersedes the previous editions published in 2014 and 1994. It is one of a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code. For general information on the Standards of the Canadian Electrical Code, Part II, see the Preface of CSA C22.2 No. 0, General requirements - Canadian Electrical Code, Part II. The major changes to this edition include the following: a) the power table systems removed from Annex A and incorporated into CSA C22.2 No. 203.2; and b) editorial changes. This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.Scope1.1 This Standard applies to manufactured wiring systems for installation in accessible areas in dry, nonhazardous locations in accordance with the Canadian Electrical Code, Part I.1.2 This Standard applies to manufactured wiring systems having a maximum voltage rating of 600 V, and a maximum current rating of 30 A.1.3 In 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.