CSA C22.2 NO. 37:25

Preface This is the eighth edition of CSA C22.2 No. 37, Decorative lighting products , one of a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code. It supersedes the previous editions published in 2020, 2017, 2014, 1989, 1964, 1958, and 1937. The following are the major changes to this edition: • addition of non-replaceable lampholders for series-connected decorative lighting strings (Clauses 5.1.4.3.1, 5.1.4.3.2, 5.1.4.3.7, 5.1.4.3.8, and 6.1.2.5, and Tables 5.1 and 5.2); • expanding the requirements for products with batteries (Clauses 5.7, 5.8.5.24, 5.8.16, 5.8.17, 5.17.4.10, and 5.18.4.5); • the wiring used in low-voltage low-energy (LVLE) circuit not exceeding 15 W (Clauses 3, 5.2.5.4, 5.2.11.3, and 5.8.15, and Tables 5.4 a)and 5.4 b)); • addition of input current measurements for low-voltage products (Clause 5.8.4.2); • revision to products employing load fittings or special connectors (Clauses 5.8.5.14, 5.17.4.4.4, 5.17.4.4.5, and 5.17.4.4.6); • addressing mechanical securement (Clause 5.2.10.3); • clarification of marking for products employing lamps with glass envelopes (Clause 5.17.4.3.8); • revisions to instructions for products with series-connected lampholders (Clauses 5.18.4.3.3, 5.18.4.3.5, and 5.18.4.3.6); • addition of instructions for power adaptors (Clause 5.18.4.4); • addition of CSA C22.2 No. 62368-1 to an LVLE circuit (Clause 5.2.11.2); • correction of a typo for reference to CSA C22.2 No. 55 (Clauses 5.8.14.3.3 and 5.8.14.3.4); and • other editorial revisions and corrections (Clauses 5.2.8.4, 5.18.1.3, 6.4.8, and 6.4.8.1, and Table E.1). CSA Group wishes to acknowledge the following materials taken from UL 588, Seasonal and Holiday Decorative Products: • UL Glossary, paragraphs 2.1 to 2.48 (CSA C22.2 No. 37, Clause 2); • UL Sections 122 to 127 for markings (CSA C22.2 No. 37, Clause 5.17); and • UL Sections 128 to 131 for the instructions (CSA C22.2 No. 37, Clause 5.18 and Table 5.12). This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard was prepared by the Integrated Committee on Lighting Products (ICLP), under the jurisdiction of the Technical Committee on Consumer and Commercial Products and the Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee. 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. Scope 1.1 This Standard applies to decorative lighting strings, decorative lighting outfits, pre-lit trees, and accessories intended for seasonal or commercial use connected to circuits of 120 V nominal or less by means of an attachment plug, and designed to be used in accordance with the rules of the Canadian Electrical Code, Part I, in non-hazardous locations. 1.2 These requirements cover electrically assembled a) series or series-parallel-connected lighting strings; b) parallel-connected lighting strings; c) decorative outfits; d) controllers and flashers; e) motor-operated tree stands; f) flexible light cable systems (rope lights); and g) string lights for year-round use. 1.3 These requirements additionally cover ornaments, which are provided with an adaptor for connection to a push-in lampholder and are intended to replace a push-in lamp in a series-connected decorative lighting string. 1.4 These requirements do not cover a) permanently connected products; b) portable luminaries; c) cord sets, power supply cords, and cord-connected, multiple-receptacle extension boxes; d) fibre-optic devices, if not used in conjunction with decorative lighting; and e) strings employing candelabra lampholders of the bayonet type. 1.5 Decorative lighting products not incorporating lighting strings are covered by the requirements of CSA C22.2 No. 250.4. 1.6 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.