Until youe inactive reserve obligation if fulfilled your not completely done with the military, your not in the military anymore either inactive reserves do not have IDs or access to post or the commessary. Your just a pool of civilians trained and ready to be involuntarily activated if we get into WWIII.
Electrical Technicians on the other hand, perform maintenance and repair on electronic devices. These devices include anything from a DVD player used to play movies to an MRI machine used by hospitals.
An electrical engineer is someone who designs and develops new electrical equipment, solves problems and tests equipment. They work with all kinds of electronic devices, from the smallest pocket devices to large supercomputers. Electrical engineering deals with electricity, electro-magnetism and electronics.