assembles, installs, repairs, connects and test wiring, control equipment for electrical systems on new machines 對新機械進行組裝、安裝、修理、連接和測試線路。
2 for an impulse source there shall be a peak reading instrument voltmeter connected directly to the electrode head, indicating continually the potential of the electrode with or without a grounded test wire in the chamber 脈沖火花機,電壓表直接接在試驗電極上,顯示的是測試電線沒有接地的情況下的峰值電壓。