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Preface This is the common CSA and UL standard for low voltage transformers. It is the first edition of CSA C22.2 No. 66.1 and the first edition of UL 5085-1. This edition of CSA C22.2 No. 66.1 supersedes the requirements of CSA C22.2 No. 66 published

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Preface This is the common CSA and UL standard for low voltage transformers. It is the first edition of CSA C22.2 No. 66.2 and the first edition of UL 5085-2. This edition of CSA C22.2 No. 66.2 supersedes the requirements of CSA C22.2 No. 66 published

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Preface This is the common CSA and UL standard for low voltage transformers. It is the first edition of CSA C22.2 No. 66.3 and the first edition of UL 5085-3. This edition of CSA C22.2 No. 66.3 supersedes the requirements of CSA C22.2 No. 66 published

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1.1 Scope 1.1.1 This standard applies to the construction, performance and installation procedures for a newly produced automatic vent damper device (hereinafter referred to as device) constructed entirely of new, unused parts and materials and desig

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1. Scope This clause of part 1 is replaced by: This standard deals with the safety of electric water-bed heaters and their associated control units, for household and similar purposes, their rated voltage being not more than 250 V. Appliances not

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