27.2
Faulty contact in socket
General
Depending on the type of connection a socket has, an improperly connected wire
can result in local temperature increase. This temperature increase is caused by the
reduced contact area between the connection point of the incoming wire and the
socket , and can result in an electrical fire.
NOTE
A socket’s construction may differ dramatically from one manufacturer to another.
For this reason, different faults in a socket can lead to the same typical appearance
in an infrared image.
Local temperature increase can also result from improper contact between wire and
socket, or from difference in load.
Figure
The image below shows a connection of a cable to a socket where improper contact
in the connection has resulted in local temperature increase.
10739603;a1
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Publ. No. 1558550 Rev. a557 – ENGLISH (EN) – October 7, 2011
27 – Application examples
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