Yini i-T8I-LEDi-tube light?U-“T” umele “i-tubular” (umumo we-bulb) futhi inombolo ikhombisa ububanzi obuyisishiyagalombili seyintshi.I-T8 inobubanzi obuyi-intshi engu-1 (noma u-8/8 intshi), i-T5 inobubanzi obungu-5/8-intshi, kanti i-T12 inobubanzi obungu-12/8-intshi (noma u-1-1/2 intshi) ububanzi.