What type of hose is used primarily for attack lines in firefighting?

The type of hose primarily used for attack lines in firefighting is known as attack hose. This specific type of hose is designed to convey water with high pressure to control and extinguish fires. It is typically constructed from durable materials that can withstand the harsh conditions encountered during firefighting operations, including extreme temperatures and the pressure from high-flow water.

Attack hoses often have a smaller diameter compared to supply hoses, which facilitates easier handling and maneuvering in tight spaces, such as building interiors or in urban settings. They are designed for quick deployment and can be used by firefighters to spray water directly onto a fire, making them essential during firefighting efforts.

The other hose types mentioned serve different purposes. Soft sleeve hose is primarily used for supplying water from hydrants to fire pumper trucks, while hard suction hose is employed to draft water from static sources like a lake or swimming pool. Supply hose is utilized to transport water from a source to the pump, enabling more sustained firefighting operations, but it is not used directly in the attack phase where firefighters actively combat flames.