Standard for Installation of Fire Safety Devices based on Use and Occupancy Article 139
Emergency broadcasting equipments shall be wired pursuant to Regulations for Installation of User's Electricity Device and the following provisions:1.A 250V DC insulation ohmmeter shall be used to measure the insulation resistance between the wire and the earth. Where the voltage to earth is not more than 150V, the resistance shall be not less than 0.1MΩ; where the voltage to earth exceeds 150V, the resistance shall be not less than 0.2MΩ.2.The wire conduit may not be shared by other wires, unless the electric wire inside the conduit is used for light current with a voltage less than 60V.3.Short or disconnection of the circuit for the speaker in any storey will never affect the broadcasting of other storeys.4.Three-wire wiring shall be used where volume adjuster is equipped.
中文原文 各類場所消防安全設備設置標準第139條
緊急廣播設備之配線,除依用戶用電設備裝置規則外,依下列規定設置:
一、導線間及導線對大地間之絕緣電阻值,以直流二百五十伏特額定之絕緣電阻計測定,對地電壓在一百五十伏特以下者,在零點一MΩ以上,對地電壓超過一百五十伏特者,在零點二MΩ以上。
二、不得與其他電線共用管槽。
但電線管槽內之電線用於六十伏特以下之弱電回路者,不在此限。
三、任一層之揚聲器或配線有短路或斷線時,不得影響其他樓層之廣播。
四、設有音量調整器時,應為三線式配線。
一、導線間及導線對大地間之絕緣電阻值,以直流二百五十伏特額定之絕緣電阻計測定,對地電壓在一百五十伏特以下者,在零點一MΩ以上,對地電壓超過一百五十伏特者,在零點二MΩ以上。
二、不得與其他電線共用管槽。
但電線管槽內之電線用於六十伏特以下之弱電回路者,不在此限。
三、任一層之揚聲器或配線有短路或斷線時,不得影響其他樓層之廣播。
四、設有音量調整器時,應為三線式配線。