| relay | 繼電器 |
| signal relay | 信號繼電器 |
| current relay | 電流繼電器 |
| voltage relay | 電壓繼電器 |
| tripping relay | 跳閘繼電器 |
| closing relay | 合閘繼電器 |
| intermediate relay | 中間繼電器 |
| time relay | 時間繼電器 |
| thermocouple relay | 熱電偶繼電器 |
| flasher relay | 閃光繼電器 |
| locking relay | 鎖定繼電器 |
| protective relay | 保護繼電器 |
| breaker, circuit breaker | 斷路器 |
| mini-oil breaker oil-minimum breaker | 少油斷路器 |
| ammeter shunt | 電流錶分流器 |
| measuring slide rheostat measuring slide-wire rheostat | 測量用滑線變阻器 |
| signal generator | 信號發生器 |
| oil level indicator | 油位指示器 |
| fault finder fault detector | 故障探測器 |
| combined filter | 結合濾波器 |
| phase indicator | 相位指示器 |
| excitation regulator | 勵磁調節器 |
| high-voltage electroscope | 高壓驗電器 |
| normally closed contact | 常閉觸點 |
| parallel capacitance | 並聯電容 |
| protective earthing | 保護接地 |
| protective cover protective housing | 保護罩 |
| fuse, fuse wire | 熔絲 |
| fuse carrier | 熔線座 |
| cutout, fusible cutout | 熔斷器 |
| cable | 電纜 |
| cable core | 電纜芯 |
| cable rack cable bracket | 電纜架 |
| cable groove cable channel | 電纜溝 |
| aerial cable overhead cable | 架空電纜 |
| oil-filled cable | 充油電纜 |
| plastic cable | 塑膠電纜 |
| steel armored cable | 鋼鎧電纜 |
| high voltage cable | 高壓電纜 |
| low voltage cable | 低壓電纜 |
| communication cable | 通信電纜 |
| battery charging | 蓄電池室充電 |
| battery capacity | 蓄電池室容量 |
| charging equipment | 充電裝置 |
| switch room distribution board room | 配電室 |
| over voltage | 過電壓 |
| millammeter | 毫安培表 |
| millvoltmeter | 毫伏表 |
| AC Voltmeter | 交流電壓表 |
| AC Ammeter | 交流電流錶 |
| AC-DC Ammeter | 交直流兩用電流錶 |
| digital voltmeter | 數位電壓表 |
| electric leakage | 漏電 |
| bus, busbar | 母線 |
| bus structure | 母線橋 |
| enclosed busbar | 封閉母線 |
| tubular busbar | 管型母線 |
| flexible busbar | 軟母線 |
| hard busbar | 應母線 |
| flexible conductor | 軟導線 |
| flash signal | 閃光信號 |
| flash alarming device | 閃光報警裝置 |
| meter panel instrument board | 儀錶盤 |
| tap | 分接頭 |
| net safety distance | 安全淨距 |
| printed circuit | 印刷電路 |
| select unit | 選擇電源 |
| voltage sensitive resistor | 壓敏電阻器 |
| wire terminal | 電線接頭 |
| ground wire earthing wire | 接地線 |
| soil resistivity | 土壤電阻率 |
| ground protection | 接地保護 |
| grounded short circuit | 接地短路 |
| grounding system | 接地系統 |
| variable resistor | 可變電阻器 |
| lighting line | 照明線路 |
| lamp signal light signal | 燈光信號 |
| electric light signal | 電氣照明 |
| lightning arrester lightning guard | 避雷器 |
| lightning rod lightning conductor | 避雷針 |
| lightning wire | 避雷線 |
| standby source | 備用電源 |