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定价: 5961元 / 折扣价: 5067

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This PDF includes Update No. 2 1. Scope 1.1 This Standard applies to hermetic refrigerant motor-compressors (hereinafter referred to as motor-compressors) rated 7200 V or less, for use in air-conditioning and refrigerating equipment that comply wit

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定价: 3367元 / 折扣价: 2862

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This PDF includes Update #2 1. Scope 1.1 These requirements cover permanently installed devices, hereafter referred to as dimmers, that employ a dimming function intended for control of lighting loads of the ballast, transformer, or tungsten-filame

定价: 1775元 / 折扣价: 1509

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定价: 1775元 / 折扣价: 1509

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Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Update No.1 1 Scope This standard specifies the requirements for nonmetallic cable trays and associated fittings designed for use in accor

定价: 2821元 / 折扣价: 2398

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This PDF includes GI #2. 1. Scope 1.1 This Standard specifies the requirements for halogen-free reinforced thermosetting resin conduit (RTRC), and associated fittings for installation and use in accordance with the Rules of the Canadian Electrical

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定价: 3367元 / 折扣价: 2862

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定价: 2821元 / 折扣价: 2398

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This PDF includes Update #2 1. Scope 1.1 This Standard applies to electric clothes washing machines and extractors intended to be used in nonhazardous locations in accordance with the Canadian Electrical Code, Part I (CEC), and the (U.S.) National

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定价: 2821元 / 折扣价: 2398

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Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Update No. 1 Preface This is the common CSA, and UL standard for Nonmetallic Mechanical Protection Tubing (NMPT). It is the third editio

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