What’s the difference between PDH, CPD and CEH?

PDH, CPD (hours) and CEH are different terms representing the same thing. PDH stands for “professional development hour.” CPD is an acronym for “continuing professional development.” CEH means “continuing education hours.”

Most U.S. states use the term “PDH.” The Florida Board uses the term “CEH.” The Ohio board refers to continuing education for engineers using the term “CPD hours.”