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Topic Title: U.S. Intelligent Arc Fault Circuit Interrupters.
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Created On: 12 July 2018 07:50 AM
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 12 July 2018 07:50 AM
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Zoomup

Posts: 4381
Joined: 20 February 2014

I expect that fault finding after one of these devices blinks at you for a certain number of times is fun. Is must be just like when an R.C.D. trips off, you assume that a fault exists but don't know just where exactly it is located.

http://www.youtube.com/watch?v=tauHNeymIrs

Z.
 12 July 2018 08:10 AM
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Zoomup

Posts: 4381
Joined: 20 February 2014

An American sparks' experience with a tripping arc fault circuit interrupter.

http://www.youtube.com/watch?v=WEhHQ4626fc

Z.
 12 July 2018 02:57 PM
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kenelmh

Posts: 119
Joined: 17 February 2012

Seems like they worked there then. Is that the usual, I'm sure I've heard that their operation is not reliable, any truth in that?

KMH
 13 July 2018 11:16 AM
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broadgage

Posts: 2799
Joined: 07 August 2007

Anecdotal reports state that they are very liable to false trips when arcing occurs at the commutators of brush type motors, thermostats and switches.

Presumably AFCIs can not be used for arc lamps
 13 July 2018 08:25 PM
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kellyselectric

Posts: 317
Joined: 22 July 2016

Or arc welders!
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