定价： 1229元 / 折扣价： 1045 元

C22.1-06 Preface This twentieth edition of the Canadian Electrical Code, Part I, was approved by the Committee on the Canadian Electrical Code, Part I, and by the Regulatory Authority Committee at their June 2005 meetings in Kelowna, British Columbi

定价： 865元 / 折扣价： 736 元

1. Scope 1.1 This Standard is intended to provide basic requirements for the evaluation of double-insulated cord-connected electrical equipment. 1.2 This Standard applies to equipment for use on circuits not exceeding 250 V-to-ground and designed

定价： 455元 / 折扣价： 387 元

1. Scope 1.1 This Standard applies to permanent adhesive labels and nameplates intended for use indoors or outdoors on application surfaces that are essentially clean, smooth, flat, or simple curved. 1.2 This Standard includes requirements for

定价： 501元 / 折扣价： 426 元

This PDF includes GI #2, #3 and #4. 1. Scope 1.1 This Standard applies to cord-connected, electrically heated bedding such as blankets, comforters, quilts, sheets, mattresses, and mattress pads with associated control units, for household use, desi

定价： 546元 / 折扣价： 465 元

1. Scope Section A - Brooders 1.1 This Section applies to both portable and stationary electric brooders, for potentials of 250 volts and less, designed to be used in accordance with the rules of Part I of this Code. 1.2 This Section applies to

定价： 455元 / 折扣价： 387 元

This PDF includes Update No. 1 Preface This is the common CSA and UL Standard for uninterruptible power systems (UPS). It is the second edition of CSA C22.2 No. 107.3 and the fourth edition of UL 1778. This edition of CSA C22.2 No. 107.3 supers

定价： 3595元 / 折扣价： 3056 元

This is a text searchable PDF. 1. Scope 1.1 This Standard applies to cord-connected and permanently connected electrically heated commercial cooking appliances for use on nominal system voltages of 600 V and less, designed to be used in accordance

定价： 455元 / 折扣价： 387 元

定价： 2821元 / 折扣价： 2398 元

定价： 1365元 / 折扣价： 1161 元

This PDF includes GI #2 and Amd #1. 1. Scope 1.1 This Standard applies to portable hand-held electrically heated tools for voltages of 250 V and less, designed to be used in ordinary (ie, nonhazardous) locations in domestic, commercial, or industr

定价： 455元 / 折扣价： 387 元

1 Scope 1.1 This Standard applies to mineral-insulated cables with copper, nickel-/nickel-alloy-clad copper, steel-clad copper, or nickel conductors, enclosed in a copper or stainless steel sheath. 1.2 The constructions covered by this Standard are

定价： 910元 / 折扣价： 774 元

定价： 1365元 / 折扣价： 1161 元

1. Scope Section A - Transformers for Luminous-Tube Signs A1.1 This section applies to transformers for luminous-tube signs of portable and stationary types, for potentials up to and includ ing 600 volts low-potential, and l5,000 volts open-circuit

定价： 546元 / 折扣价： 465 元

定价： 728元 / 折扣价： 619 元