Chii chinonzi T8LEDchubhu chiedza?“T” inomirira “tubular” (chimiro chegirobhu) uye nhamba inoratidza dhayamita muzvikamu zvisere zve inch.T8 ine dhayamita 1-inch (kana 8/8 inch), T5 ine dhayamita 5/8-inch, uye T12 ine dhayamita 12/8-inch (kana 1-1/2 inch) dhayamita.