California § 25400 - Any vehicle may be equipped with a lamp or device on the exterior of the vehicle
Full text of California Public Contract Code - PCC § 25400 — Any vehicle may be equipped with a lamp or device on the exterior of the vehicle, with citation guidance and answers to common questions.
§ 25400. Any vehicle may be equipped with a lamp or device on the exterior of the vehicle
(a) Any vehicle may be equipped with a lamp or device on the exterior of the vehicle that emits a diffused nonglaring light of not more than 0.05 candela per square inch of area. (b) Any diffused nonglaring light shall not display red to the front, but may display other colors. A diffused nonglaring light shall not resemble nor be installed within 12 inches or in such position as to interfere with the visibility or effectiveness of any required lamp, reflector, or other device upon the vehicle. (c) A diffused nonglaring lamp or device, other than a display sign authorized by subdivision (d), shall be limited in size to an area of 720 square inches and where any lease, rental, or donation is involved the installation of the lamp or device shall be limited to those vehicles operated either primarily within business or residential districts or municipalities, or between business districts, residential districts, and municipalities in close proximity. (d) An internally illuminated sign emitting not more than 0.25 candela per square inch and possessing copy which does not contain a white background may be displayed on each side, but not on the front or rear, of a trolley coach or of a bus being operated in urban or suburban service as described in Section 35107 of this code.
Source: official California text · Last verified 2026-08-27
Frequently Asked Questions About California § 25400
What does Public Contract Code - PCC § 25400 cover?
Section 25400 ("Any vehicle may be equipped with a lamp or device on the exterior of the vehicle") is part of the Public Contract Code - PCC, the codified statutory law of California. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite California § 25400?
A common citation format is "Public Contract Code - PCC § 25400" (California). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of California law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the California official source linked on this page or consult a licensed California attorney.
How does California § 25400 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in California can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in California.