辅助开关       Pilot switch

继电器    Relay

指示灯    Pilot lamp

按钮       Press-button

接触器    Contractor

电磁机构       Electromagnetic mechanism

操动机构       Control mechanism

压力开关       Pressure switch

温度开关       Temperature switch

微动开关       Microswitch / micro-active switch

均压环    Equalizer ring

氧化锌    Zinc oxide

隔离密封       Isolating encapsulation / sealing

电缆桥架       Cable bridge support

设备线夹       Equipment clamp

T型线夹 T-shaped clamp

楔型线夹       UT-shaped clamp

UT型线夹     Wedge-shaped clamp

消弧线圈       Arc-extinguishing coil

蓄电池    Battery

气体继电器    Gas relay

温度继电器    Temperature relay

报警器    Alarm

励磁电压       Exciting voltage

温度计    Thermometer

储油柜（油枕）    Tank

空载电流       Idle current

空载电压       Floating voltage / no-load voltage

分接开关       Tap switch

二次接线       Second link

电流速断保护       Current quick-break protection

欠电压保护    Low-voltage protection

过电流保护    Over-current protection

零序电流保护       Zero-sequencee current

纵差保护       Translay proteciton

热继电器       Thermal relay

自动重合闸保护    Autoclose circuit breaker protection

距离保护       Distance protection

标志牌    Mark board

绝缘电阻       Insulation resistance

吸收比    Absorptance

介质损耗角正切值       Dielectric loss angle tangent

同步发电机    Synchro generator

调相机    Phasing synchro

泄漏电流       Leakage current

直流电阻       Direct-current resistance

交流耐压试验       Alternative high-voltage holding test

继电器整定    Relay’s adjusting

转子绕组       Rotor winning

定子绕组       Stator winding

电动机    Electric motor

转速       Rotational speed

设备温升       Equipment’s temperature rise

负载特性曲线       Load characteristic curve

延时       Time relay

空载特性曲线       Open-circuit characteristic curve

频率       Frequency

变压比    Transformation ratio

同期性    Synchronism

三相不平衡系数    Three-phase unbalanced coefficient

工频放电电压       Power frequency discharge voltage

电导电流       Conductivity current

电压降    Voltage drop

功率因数补偿       Power-factor compensation

无功功率       Reactive power

有功功率       Active power

视在功率       Apparent power

持续电流       Sustained current

持续时间       Endurance time

过电压保护    Over-voltage protection

电解液    Electrolytic solution

初充电    Initial charge

正极       Positive electrode

负极       Cathode

钢管       Steel pipe

扁钢       Flat steel

圆钢       Round bar

搭接长度       Lap of splice

避雷针    Lightning rod

阻燃型    Flame retardant

光纤电缆       Fiber cable

交叉净距       Cross clear distance

弯曲半径       Curvature radius

固定点    Anchor point

支架       Support frame

防腐处理       Anticorrosive process

安全净距       Safety clear distance

镀锡       Tin-coat / tinplating

接线端子       Terminal post

便携式    Portable type

引下线    Down lead

闪络       Flashover

联锁       Interlock

爆炸危险区域       Explosive dangerous zone

应急照明       Emergency lighting

穿越       Through

安全电压       Safe  voltage

手持式电动工具    Hand power tool

局部照明       Local illumination / spot light

限位开关       Limit switch

漏电开关       Leakage switch

埋地       Ground / buried

线间距离       Line-line distance

相间距离       Phase-phase distance

载流量    Current capacity

截面积    Area of section

保护零线       Protection zero line

接地母线       Earth bus