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In electrical engineering, live-line working, also known as hotline maintenance, is the maintenance of electrical equipment, often operating at high voltage, while the equipment is energised. Although this is more hazardous for personnel than working on electrical equipment with the power off, live-line maintenance techniques are used in the electric power distribution industry to avoid the disruption and high economic costs of having to turn off power to customers to perform essential periodic maintenance on transmission lines and other equipment.

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  • Als Arbeiten unter Spannung (AuS) wird das Arbeiten an unter Spannung stehenden elektrischen Betriebsmitteln mit Betriebsspannungen über 120 V Gleichspannung und 50 V Wechselspannung bezeichnet. Das Arbeiten unter Spannung erfordert besonders geschulte Mitarbeiter (in Deutschland AuS-geschulte Elektrofachkräfte, in der Schweiz speziell dafür ausgebildete Elektromonteure), besondere Arbeitsmittel und besondere organisatorische Maßnahmen. (de)
  • In electrical engineering, live-line working, also known as hotline maintenance, is the maintenance of electrical equipment, often operating at high voltage, while the equipment is energised. Although this is more hazardous for personnel than working on electrical equipment with the power off, live-line maintenance techniques are used in the electric power distribution industry to avoid the disruption and high economic costs of having to turn off power to customers to perform essential periodic maintenance on transmission lines and other equipment. The first techniques for live-line working were developed in the early years of the 20th century, and both equipment and work methods were later refined to deal with increasingly higher voltages. In the 1960s, methods were developed in the laboratory to enable field workers to come into direct contact with high voltage lines. Such methods can be applied to enable safe work at the highest transmission voltages. (en)
  • 活線作業(かっせんさぎょう、英語: hot‐line work , live-line working)は、送配電線の点検や補修作業を電圧のかかった状態で行うことである。これに対し、電圧をかけず停電して作業することを停電作業という。 電力供給を停止せずに済む利点があるが、作業員の感電の危険性もある。 労働安全衛生規則は、第2編第5章第4節で活線作業及び活線近接作業について規定している(第341条-第349条)。 (ja)
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  • Als Arbeiten unter Spannung (AuS) wird das Arbeiten an unter Spannung stehenden elektrischen Betriebsmitteln mit Betriebsspannungen über 120 V Gleichspannung und 50 V Wechselspannung bezeichnet. Das Arbeiten unter Spannung erfordert besonders geschulte Mitarbeiter (in Deutschland AuS-geschulte Elektrofachkräfte, in der Schweiz speziell dafür ausgebildete Elektromonteure), besondere Arbeitsmittel und besondere organisatorische Maßnahmen. (de)
  • 活線作業(かっせんさぎょう、英語: hot‐line work , live-line working)は、送配電線の点検や補修作業を電圧のかかった状態で行うことである。これに対し、電圧をかけず停電して作業することを停電作業という。 電力供給を停止せずに済む利点があるが、作業員の感電の危険性もある。 労働安全衛生規則は、第2編第5章第4節で活線作業及び活線近接作業について規定している(第341条-第349条)。 (ja)
  • In electrical engineering, live-line working, also known as hotline maintenance, is the maintenance of electrical equipment, often operating at high voltage, while the equipment is energised. Although this is more hazardous for personnel than working on electrical equipment with the power off, live-line maintenance techniques are used in the electric power distribution industry to avoid the disruption and high economic costs of having to turn off power to customers to perform essential periodic maintenance on transmission lines and other equipment. (en)
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  • Arbeiten unter Spannung (de)
  • Live-line working (en)
  • 活線作業 (ja)
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