46 CFR § 162.028-2 - Classification.

---
identifier: "/us/cfr/t46/s162.028-2"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 162.028-2 - Classification."
title_number: 46
title_name: "Shipping"
section_number: "162.028-2"
section_name: "Classification."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "Q"
subchapter_name: "EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL"
part_number: "162"
part_name: "ENGINEERING EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1321(j), 1903; 46 U.S.C. 3306, 3703, 4104, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation 00170.1, Revision No. 01.4."
cfr_part: "162"
---


# 162.028-2 Classification.

(a) Portable and semi-portable extinguishers must be marked with a combined number and letter designation. The letter designates the general class of fire for which the extinguisher is suitable as identified in NFPA 10 (incorporated by reference, see § 162.028-1). The number indicates the relative extinguishing potential of the device as rated by UL 711 (incorporated by reference, see § 162.028-1).

(b) [Reserved]

[CGFR 60-36, 25 FR 10640, Nov. 5, 1960, as amended by USCG-2012-0196, 81 FR 48278, July 22, 2016]