Browse Standards
4331+ standards in database
4331 result(s) found
电器设备内部连接线缆
Internal connecting wires and cables of electrical equipments
家用和类似用途固定式电气装置的指示灯装置 第1部分:通用要求
Indicator light units for household and similar fixed-electrical installations—Part 1: General requirements
电缆管理系统 超重荷型刚性电气导管电缆装置用导管配件和附件的规范
Cable management systems—Specifications for conduit fittings and accessories for cable installations for extra heavy duty electrical steel conduit
铅酸蓄电池用辅料技术规范
Technical specification of auxiliary material for lead-acid batteries
污秽条件下使用的高压绝缘子的选择和尺寸确定 第4部分：直流系统用绝缘子
Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4: Insulators for d.c. systems
高压直流输电系统直流电压测量装置
DC voltage measuring device for HVDC transmission system
高压直流输电系统直流电流测量装置 第2部分：电磁式直流电流测量装置
DC current measuring device for HVDC transmission system—Part 2：Electromagnetic DC current measuring device
高压直流输电系统直流电流测量装置 第1部分:电子式直流电流测量装置
DC current measuring device for HVDC transmission system—Part 1：Electronic DC current measuring device
绝缘子串元件球窝联接用锁紧销 尺寸和试验
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests
铅酸蓄电池槽、盖
Container and lid for lead-acid storage batteries
燃油加油站防爆安全技术 第3部分：剪切阀结构和性能的安全要求
Explosion protected safety technique of the petrol filling station—Part 3：Safety requirements for construction and performance of shear valves
燃油加油站防爆安全技术 第2部分：加油机用安全拉断阀结构和性能的安全要求
Explosion protected safety technique of the petrol filling station—Part 2：Safety requirements for construction and performance of safe breaks for use on dispensers
户内和户外用高压聚合物绝缘子 一般定义、试验方法和接收准则
HV polymeric insulators for indoor and outdoor use—General definitions ,test methods and acceptance criteria
阻燃和耐火电线电缆或光缆通则
General rules for flame retardant and fire resistant electric wires and cables or optical fiber cables
低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法
Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
低压电涌保护器 第22部分：电信和信号网络的电涌保护器 选择和使用导则
Low-voltage surge protective devices－Part 22:Surge protective devices connected to telecommunications and signalling networks－Selection and application principles
电力变压器选用导则
Guide for choice power transformers
家用和类似用途固定式电气装置的电器附件安装盒和外壳 第1部分:通用要求
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations—Part 1:General requirements
家用和类似用途固定式电气装置的开关 第2-3部分:延时开关(TDS)的特殊要求
Switches for household and similar fixed-electrical installations—Part 2-3: Particular requirements for time delay switches (TDS)
家用和类似用途固定式电气装置的开关 第2-2部分:电磁遥控开关(RCS)的特殊要求
Switches for household and similar fixed-electrical installations—Part 2-2: Particular requirements for electromagnetic remote-control switches (RCS)