Section 76.50-20 - Semi-portable fire extinguishers(a) The frame or support of each semi-portable fire extinguisher required by table 76.50-10(a) must be welded or otherwise permanently attached to a bulkhead or deck.(b) If an approved semi-portable fire extinguisher has wheels and is not required by table 76.50-10(a), it must be securely stowed when not in use to prevent it from rolling out of control under heavy sea conditions.(c) Each semi-portable extinguisher must be fitted with a suitable hose and nozzle, or other practicable means, so that all areas of the space can be protected.CGD 77-039, 44 FR 34132, June 14, 1979, as amended by USCG-2012-0196, 81 FR 48261 , July 22, 2016