N.J. Stat. § 34:1-14: Inspectors not to engage in other business; hours of labor

No inspector shall engage in any business, occupation or employment during his term of office that will in any way interfere with or prevent his full and faithful performance of his duties.

Each inspector shall, except when prevented by illness or other disability, devote at least eight hours each day, Sundays, Saturdays and holidays excepted, and four hours each Saturday, to the discharge of his duties.