Rephaiah is called “Raphah” in the parallel text of 2 Chr 8.37 (see the comments there).
Quoted with permission from Omanson, Roger L. and Ellington, John E. A Handbook on 1-2 Chronicles, Volume 1. (UBS Helps for Translators). Miami: UBS, 2014. For this and other handbooks for translators see here .