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/customers/6/2/2/czwknpk06/webroots/r1010434/inc/_core/_template.funcs.php on line 406 Warning: Cannot modify header information - headers already sent by (output started at /customers/6/2/2/czwknpk06/webroots/r1010434/inc/_core/_param.funcs.php:1401) in /customers/6/2/2/czwknpk06/webroots/r1010434/inc/_core/_template.funcs.php on line 407 Warning: Cannot modify header information - headers already sent by (output started at /customers/6/2/2/czwknpk06/webroots/r1010434/inc/_core/_param.funcs.php:1401) in /customers/6/2/2/czwknpk06/webroots/r1010434/inc/_core/_template.funcs.php on line 408 Bokstavboksen https://la2yg.no/index.php/bokstav/?tempskin=_atom b2evolution 2023-09-23T01:21:55Z Jordfeil hos naboen slår ut sikringskurs hos meg la2yg https://la2yg.no/index.php/bokstav/jordfeil-i-et-hus-kan-sla-ut-sikring-hos-naboen 2023-03-09T13:03:00Z 2023-03-09T16:36:05Z Ute på bygda i Norge er det som oftest IT 230 V fordeling som gjelder.
IT kan enkelt oversettes fra fransk som IKKE JORDET, det gjelder trafokursen.
Det vil si at en jordfeil hos en strømbruker ikke uten videre vil brytes av jordfeilvern hvis det er i bruk.

Det som er spesielt er at en eller flere sikringskurser kan bli brutt i et hus som har jordfeilvern og utstyr tilkoblet utstyrt med avkoblingskondensator som f,eks PC og dimbare lyskurser.
Huset med jordfeil har muigens ikke jordfeilvern i sin kurs.

Sikringskursen i det øverste huset utløses da av kretsløpet:
L2 via nederste hus med jordfeil, strømbane videre via jord opp til hus med jordfeilvern og utstyr tilkoblet med jordet støpsel eller fast opplegg. Selv om utstyret er avslått med enkel polbryter så er den ene siden av avlederkondensatoren tilkoblet nettet.

Løsning: Gode naboer som oppgraderer sikringsskapet.

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LA2YG, radioamatøren la2yg https://la2yg.no/index.php/bokstav/la2yg-radioamat-ren 2023-01-08T12:13:00Z 2023-01-08T12:13:04Z Jeg er en godt tilårskommen radioamatør med yrkesbakgunn som telegrafist til sjøs og landstasjon, servicetekniker bl.a Siemens 37 fjernskriver og kommunikasjonsmottagere med etpar dusin radiorør.
Etter ing.utdannelse så har kommunikasjon fortsatt vært mitt levebrød i Saga Petrokjemi,  Statoil Petrokjemi, Borealis og til slutt Troll gass Kollsnes og støttefunksjon til Troll A.
Å lære seg språk er en fin aktivitet for hukommelsen, så jeg gikk for C++ og har hatt mange koselige timer sammen med Arduino, ESP'er av forskjellige slag og Raspberry PI i det fine miljøet rundt MakerSpace på Skogmo videregående og Grenlandgruppen av NRRL.

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