ACR 0960 - Air Conditioning Internship I ACR 0960 - Air Conditioning Internship I 700 con. hrs. Occupational This internship provides you with the opportunity to acquire practical experience while working under the supervision of a journeyman air conditioning mechanic. Job skills, as defined by the work processes of the apprenticeship agreement, are taught on the job. Course Designations: (CH) Corequisite(s): ACR 0941