Stærkstrømselektronik
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Afbryder, trepolet (ved Ledningsskemaer)............. Minimalafbryder..................................... Maksimalafbryder ................................... _____ Ledningsadskiller_________.................................. Smeltesikring........................................ Modstand, induktionsfri .............................. do. , do. , regulerbar.................... ____ do. , induktiv .................................. do. , do. , regulerbar........................ Glødelampe ......................................... Buelampe 10 Amp................................... Lynafleder .......................................... _________ Spændingssikring...................•................................... Amperemeter............................................................ Voltmeter ........................................... Fasevoltmeter ....................................... Wattmeter .......................................... Ampéretimemaaler................................... Timemaaler......................................... Wattimemaaler...................................... Tidsrelais........................................... ____ ______ Jordforbindelse ________................................... Betonmast........................................... Træmast i Fundament ............................... Ledningsmast af Træ ................................ do. af Jern................................ do. af Træ med Forankring............... do. do. med Støtte .....................