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psu

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How to test a Laptop PSU

There seem to be so many differnces of opinion on exactly how the PSU should be tested (if at all). Could any experienced PAT testers please comment on specificaly how the unit should be tested? Some previous posts say it should be tested as a Class II device at 250V but if it has no Class II...
- Elidor
- Thread
- Apr 17, 2011
- electricians' talk how to laptop psu test
- Replies: 6
- Forum: Electrical Testing & PAT Testing Forum
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Testing Laptop PSU

Hi Guy's, can someone clarify the tests that are required on the PSU for laptops, and indeed any other device which has an adaptor. Cheers.
- PAT ukLtd
- Thread
- Apr 13, 2011
- electricians' talk laptop leads psu supply testing these
- Replies: 8
- Forum: Electrical Testing & PAT Testing Forum
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PSU keeps blowing & tripping fusebox - same fuse/circuit as the underfloor heating!?!

Hi. This will be a bit of a long explanation, but please bare with me! Just over a week ago the trip switch for our front room went (rest of the house was fine). So I flicked the trip switch back on. After a few minutes there was a big bang and it went again. Turns out the power supply in...
- socngill
- Thread
- Mar 1, 2011
- blowing circuit electricians' talk fuse fusebox heating keeps psu tripping underfloor underfloor heating
- Replies: 8
- Forum: Computer and Networking Forum

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