定价： 910元 / 折扣价： 774 元

(It includes Update No. 2) 1. Scope and Overview The provisions of this Standard embody the principles and practices applicable for the purpose of effecting electrical coordination between organizations that operate electric supply or communications

定价： 592元 / 折扣价： 504 元

定价： 455元 / 折扣价： 387 元

1. Scope 1.1 This Standard sets forth methods of electrical coordination between pipelines and alternating current (ac) supply lines having line-to-ground voltages greater than 35 kV, simultaneously or separately installed as follows: (a) a pipeline

定价： 501元 / 折扣价： 426 元

1. Scope 1.1 This Standard covers the following devices intended for connection to copper conductors only and for installation and use in hazardous locations: Class I, Groups A, B, C, and D; Class II, Group G, in coal or coke dust, and in gaseous mine

定价： 592元 / 折扣价： 504 元

定价： 2412元 / 折扣价： 2051 元

1. Scope 1.1 This Standard applies to voltage and polarity testers for use in nonhazardous locations, in accordance with the Rules of the Canadian Electrical Code, Part I, on electrical supply circuits and equipment at points where the voltage differe

定价： 455元 / 折扣价： 387 元

It includes GI #2 and #3. 1. Scope 1.1 This Standard applies to the overhead contact system and traction power supply to the locomotive, using a single-phase alternating supply at 25 or 50 kV nominal voltage, 60 Hz. 1.2 This Standard has been wr

定价： 637元 / 折扣价： 542 元

1. Scope 1.1 This Standard applies to portable and stationary, incandescent and gaseous discharge stage and studio luminaires of types suitable for use in dry, damp, or wet locations, intended for use in nonhazardous locations and for connection to a

定价： 455元 / 折扣价： 387 元

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

定价： 1775元 / 折扣价： 1509 元

This PDF includes GI #2. 1. Scope 1.1 This Standard applies to cord connected and direct plug-in transformers for use indoors, designed to be used on a nominal 120-V branch circuit in nonhazardous locations in accordance with the Rules of the Cana

定价： 455元 / 折扣价： 387 元

This PDF includes GI #2-#5. 1. Scope 1.1 This Standard applies to cables and cable glands intended for (a) fixed wiring in Class I, Groups A, B, C, and D; Class II, Groups E, F, and G; and Class III hazardous locations in accordance with the Rules

定价： 455元 / 折扣价： 387 元

This PDF includes GI #2. 1. Scope 1.1 This Standard covers automatic transfer switches for use in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I, to provide switching of electrical energy in emergency or

定价： 455元 / 折扣价： 387 元

定价： 592元 / 折扣价： 504 元

1 Scope 1.1 This Standard covers manual transfer panels having maximum ratings of 250 V, 60 A, for use in non-hazardous locations in accordance with the Canadian Electrical Code, Part I. 1.2 This Standard covers manual transfer panels that are inte

定价： 546元 / 折扣价： 465 元