Regulations last checked for updates: Feb 11, 2026

Title 49 - Transportation last revised: Feb 03, 2026
All TitlesTitle 49Chapter IIPart 230Subpart B - Subpart B—Boilers and Appurtenances
View all text of Subpart B [§ 230.23 - § 230.65]
§ 230.56 - Water glass lamps.

All water glasses must be supplied with a suitable lamp properly located to enable the engine crew to easily see the water in the glass.

authority: 49 U.S.C. 20103,20107,20702; 28 U.S.C. 2461 note; and 49 CFR 1.89
source: 64 FR 62865, Nov. 17, 1999, unless otherwise noted.
cite as: 49 CFR 230.56
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