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If this is a real abbrevation, then it should be moved to TEFC. Scoo 15:51, 14 December 2005 (UTC) reply

Done. -- Daverocks ( talk) 09:58, 19 April 2006 (UTC) reply

TEFC is with the fan driven by the motor shaft itself (?). Fan speed depends on motor speed, so cooling is not as good at lower speeds, when used with a VFD As opposed to TEBC which has a separately driven blower. Fan speed independent of motor speed, so cooling constant regardless of motor speed Feldercarb ( talk) 19:30, 17 November 2021 (UTC) reply