Section 212.211 - Apprentice signal and train control inspector(a) The apprentice signal and train control inspector must be enrolled in a program of training prescribed by the Associate Administrator leading to qualification as a signal and train control inspector. The apprentice inspector may not participate in the investigative and surveillance activities, except as an assistant to a qualified State or FRA inspector while accompanying that qualified inspector.(b) Prior to being enrolled in the program the apprentice inspector shall demonstrate: (1) Working knowledge of basic electricity and the ability to use electrical test equipment in direct current and alternating current circuits; and(2) A basic knowledge of signal and train control inspection and maintenance methods and procedures.