Five classes of warning lamps are established as follows:
Class A: High intensity, concentrated-beam lamp
Class B: Moderate intensity, wide-beam lamp
Class C: High intensity, wide-beam lamp
Class D: Motorcycle front warning lamp
Class E: Revolving, oscillating, or gaseous discharge lamp
Cal. Code Regs. Tit. 13, § 812
Note: Authority cited and Reference: Section 26103, Vehicle Code.