What are the definitions of PDH, LU and CEU?
A Professional Development Hour (PDH) is defined as one contact hour of instruction, presentation or study. The term PDH is commonly used in the engineering community. The maximum PDH credit for a seminar that starts at 8 a.m. and ends at 5 p.m. with an hour lunch is eight (8). Short breaks are permissible as long as a minimum of 50 minutes of presentation/participation/study per hour is undertaken. If there are no breaks, or there are breaks of less than 10 minutes per hour, no additional time may be claimed. PDH credit cannot exceed the actual contact clock hours. PDH credit is rounded off to the nearest half hour. No activity under a half hour is accepted for credit. For example, a qualifying activity of 30 to 49 minutes would be reported as 0.5 PDH and an activity of 50 to 70 minutes would be reported as 1.0 PDH. A PDH is sometimes called a PDU (Professional Development Unit). The Learning Unit (LU) is used by the American Institute of Architects’ Continuing Education Systems (AIA/
