TMGB definition
TMGB means Telecommunications Main Grounding Busbar. There is typically one TMGB per building, located in the main telecommunications room. This busbar is directly bonded to the electrical service ground.
TMGB means Telecommunication Main Ground Buss.
TMGB means Telecommunications Main Grounding Busbar. There is typically one TMGB per
Examples of TMGB in a sentence
Voice/Data/Server rooms provide a TMGB bus grounding bar (20"x 4") @ +82" A.F.F. with #6 copper ground wire connected to the building steel and main electrical panel grounding system.
Grounding bars (TGB’s) located in the telecom rooms shall be bonded to the grounding bar (TMGB) located in the Equipment Room with a telecom bonding backbone (TBB) conductor.
All racks, metallic backboards, cable sheaths, metallic strength members, splice cases, cable trays, etc., entering or residing in the TR or ER shall be grounded to the respective TGB or TMGB using a minimum #6 AWG stranded copper bonding conductor.