Thawj thawj qhov hluav taws xob hluav taws xob tau tsim nyob rau hauv 1879 los ntawm Thomas Edison, thaum nws tau los nrog lub tswv yim ntawm kev tiv thaiv kab hluav taws xob siv rau teeb pom kev zoo los ntawm cov teeb meem tshwm sim ntawm overloads tam sim no thiab luv circuits.
Thaum twg lub tshuab hluav taws xob hloov pauv fuses hauv tsev?
Screw-in type fuses tau raug tshem tawm tag nrho hauv kev lag luam los ntawm cov khoom tawg ua cov kev pabcuam hauv the 1970s, tab sis cartridge-hom fuses txuas ntxiv siv rau qee qhov xwm txheej, feem ntau vim tias lawv tuaj yeem ntsuas qhov ua rau qeeb qeeb kom tso cai rau qhov pib nce siab uas ntau lub cav loj loj yuav tsum tau kov yeej inertia …
Thaum twg lub Circuit Court breakers yuav tsum tau?
Vim tias arc txhaum Circuit Court breakers tau dhau los ua qhov yuav tsum tau muaj nyob rau hauv National Electrical Code hauv 1999, lawv tau ua ke nrog lwm yam kev tiv thaiv hluav taws thiab cov khoom siv hauv tsev, los pab txo cov hluav taws xob faib hluav taws xob raws li qhov ua rau ntau qhov hluav taws kub raws li USFA.
hnub nyoog pes tsawg yog Circuit Court breakers?
Ntev npaum li cas Circuit Breakers kawg? Raws li Consumer Product Safety Commission (CPSC), lub neej ntawm cov hluav taws xob tawg yog feem ntau nruab nrab ntawm 30-40 xyoo. Cov teeb meem hluav taws xob xws li kev ntsuas hluav taws xob tsis zoo lossis qhov hloov pauv hloov pauv yog txhua yam uas yuav cuam tshuam rau koj lub zog hluav taws xob ntev npaum li cas.
Thaum twg fuses tsis siv hauv tsev?
CEEB TOOM: Pib hauv the 1960s, fuse lub thawv tau theem tawm hauvkev nyiam ntawm cov tshuab hluav taws xob tswj los ntawm Circuit Court breakers. Nws yog ib qho tseem ceeb los hloov lub thawv fuse qub nrog lub tshuab hluav taws xob kom sai li sai tau-tsis yog rau kev ua raws cai, tab sis kuj muaj kev nyab xeeb thiab yooj yim.
