定价： 546元 / 折扣价： 465 元

This PDF includes GI #2. 1. Scope 1.1 These requirements apply to both cord-connected and permanently connected electric radiant heaters and infrared and ultraviolet lamp assemblies for warming food or for cosmetic or hygienic purposes in nonmedic

定价： 819元 / 折扣价： 697 元

1. Scope 1.1 This Standard provides requirements for primary and secondary protectors used in telecommunication networks and installed in nonhazardous locations in accordance with the Requirements of the Canadian Electrical Code, Part I. 1.2 This S

定价： 774元 / 折扣价： 658 元

定价： 3595元 / 折扣价： 3056 元

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

定价： 3595元 / 折扣价： 3056 元

1. Scope CAN/CSA-C22.2 No. 231.0-M89 - Electrical and Electronic Measuring and Test Equipment 1.1.1 This Standard applies to electrical, electronic, or electromechanical equipment designed to (a) measure or observe, and indicate quantities of (

定价： 1047元 / 折扣价： 890 元

定价： 4459元 / 折扣价： 3791 元

1.1 Scope This standard covers all indoor and outdoor cable terminations used on alternating-current cables having laminated or extruded insulation rated 2.5 kV through 500 kV except separable insulated connectors, which are covered by IEEE Std 386-198

定价： 683元 / 折扣价： 581 元

Update No. 2 was published as notification that this is now a National Standard of Canda This PDF includes Updates No. 2 and No. 3 1.1 Scope 1.1.1 This Standard applies to low-voltage fuses rated 1000 V or less, AC and/or DC, with interrupting r

定价： 1775元 / 折扣价： 1509 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元

Update No. 2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Requ

定价： 1775元 / 折扣价： 1509 元

Update #2 was published as notification that this is now a National Standard of Canada This PDF includes Update #2 and #3 1 General NOTE - This Part is intended to be read together with the Standard for Low-Voltage Fuses - Part 1: General Require

定价： 1775元 / 折扣价： 1509 元