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DB - David Brown (35)

consumer-

 
(c) DB: David Brown, http://www.vasectomy-information.com/.


Consumer unit change Testing prospective earth fault current PEFC as one of the two measurements of Prospective Fault Current PFC DB.jpg ... Consumer unit change This MCB sparked causing the damage shown Likely cause was poor contact due to the locating screw not being tight enough DB.jpg

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ThumbnailExhibit Name
ThumbnailConsumer unit change Testing prospective earth fault current PEFC as one of the two measurements of Prospective Fault Current PFC DB.jpg (Electronics)
ThumbnailConsumer unit change Testing prospective short circuit current PSCC as one of the two measurements of Prospective Fault Current PFC DB.jpg (Electronics)
ThumbnailConsumer unit change Testing ring continuity on phase conductor DB.jpg (Electronics)
ThumbnailConsumer unit change Testing Ze earth loop fault impedance DB.jpg (Electronics)
ThumbnailConsumer unit change This is the fuse board with burned out MCB removed DB.jpg (Electronics)
ThumbnailConsumer unit change This is the new consumer unit with the cables connected ready for testing DB.jpg (Electronics)
ThumbnailConsumer unit change This is the new consumer unit without the cables connected DB.jpg (Electronics)
ThumbnailConsumer unit change This MCB sparked causing the damage shown Likely cause was poor contact due to the locating screw not being tight enough DB.jpg (Electronics)

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