RJ stands for Registered Jack, part of the Universal Service Ordering Code system developed by Bell Systems and adopted in part by the FCC. The Registered Jack wiring configurations allow communication between the consum... More »

Applicants are required to get a qualifying score in an aptitude test as part of their application. The National Electrical Contractors Association and the International Brotherhood of Electrical Workers jointly offer ap... More »

Physical therapists, or PTs, work with patients who seek physical therapy as part of rehabilitation from an injury or as treatment for chronic physical ailments. During an initial consultation with a client, a PT reviews... More »

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