BS EN 50186-2:1999+A1:2019 Live-line washing systems for power installations with nominal voltages above 1kV - Specific national requirements (national annexes to EN 50186-1:1998)
2019BS EN 50186-2:1999+A1:2019 Live-line washing systems for power installations with nominal voltages above 1kV - Specific national requirements (national annexes to EN 50186-1:1998)
1999BS EN 50186-2:1999 Live-line washing systems for power installations with nominal voltages above 1 kV - National annexes