N.J. Stat. Ann. § 40:16-2

Nothing in this subtitle contained shall be construed to affect the term of office of any officer of the county, or any member of the board of chosen freeholders, nor shall any provision hereof, whether fixing or providing for the fixing of a term of office or employment, affect any provision of Title 11, Civil Service, nor the application thereof, or any of the provisions of any other tenure of office law, nor the application thereof.