Cable reel nrog lub tshiab los tiv thaiv twist system (sockets tsau), ib tug tshwj xeeb hlau CUBE sawv ntsug thiab ib tug overload tiv thaiv (thermal hloov).Nws yog nruab nrog roj hmab.Nws muaj plaub lub qhov (socket) nrog kev tiv thaiv tam sim no thiab kev sib khi npog uas tiv thaiv cov cuab yeej tiv thaiv plua plav, av thiab dej.Ntxiv mus, nws muaj ib tug ke, roj hmab nqa tuav, ib tug teb nruas winding kov, reel rotation xauv.Tsim los rau cov xwm txheej nyuaj thiab tsim nyog rau kev siv sab nraum zoov.