Chief architect of Notre Dame: 'We installed new detection system in 2010, and completely rewired the cathedral, so the fire wasn't caused by electrical short-circuit'
In 2010 we replaced all the electrical wiring, so there's no way this was sparked by a short-circuit. We put new wiring in place according to modern standards. And we went even further; we installed state-of-the-art fire protection and detection systems in the cathedral. At all times, there are always two men on standby in the Cathedral, day and night, to go investigate anything the moment an alarm goes off, then if necessary to call the fire emergency services.