Kev sib tshooj tam sim no yog tamsis no ntev li ntawm ntu uas cov kev khiav hauj lwm koj tus tam sim no, tab sis ib tug twg uas kaw rau lub cev conductive paths ntawm lub Circuit Court. Overloads mas feem ntau thaum ib tug rau lub sij hawm tam sim no qib dab tsi. Lawv muaj feem ntau los ntawm txawm ib ntus surges nyob rau tam sim no uas tshwm sim thaum motors yog pib los yog transformers energised. Yog hais raws li cov overloads (transients) thiab tej sawv hauv kub no tsis tseem ceeb thiab yeej tsis muaj teeb meem los rau hauv Circuit Court Cheebtsam.
Overloads nruam yuav yog los ntawm cov motors, overloaded khoom lossis ntau loads rau hauv Circuit Court ib. Zoo li no tshwm overloads muaj tug thiab yuav tsum muab hlais los tiv li (fuses) ua ntej lawv ua kom puas hauv Circuit Court.
