A fire hydrant, also called a fireplug, fire pump, johnny pump, or simply pump, is a connection point by which firefighters can tap into a water supply. It is a component of active fire protection.
Wet Riser Systems are installed in a buildings for fire fighting purposes by trained personnel and which are permanently charged with water from a pumped source. Wet Riser Systems are installed complete with Landing Valves at specified points on each floor. Wet Riser Systems are installed up to and above 50m subject to the system being designed to provide adequate flow and pressure at the upper floors.