Please note: All interim revisions for this edition available at time of your purchase will be included.

Wet Exhaust Components for Marine Engines

UL 1129

Scope

1.1 These requirements cover marine engine wet exhaust systems and components from the connection to the engine exhaust manifold to the hull discharge fitting.

1.2 The components covered by these requirements are intended for installation in accordance with the applicable requirements of the Standard for Fire Protection Pleasure and Commercial Motor Craft, NFPA 302.

1.3 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements to determine that the level of safety as originally anticipated by the intent of this standard is maintained. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard shall not be judged to comply with this standard. Where appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.