POWER SOURCE SUPPLY STRUCTURE IN PIPING SYSTEM OF FEED WATER

摘要

PROBLEM TO BE SOLVED: To mount various electric equipment to equipment such as a water distribution board used for the piping system of feed water without remarkably increasing a cost and secure safety in the case that a fault current temporarily occurs in the various electric equipment. SOLUTION: In the piping system of the feed water wherein a water heater communicates with and is connected to a header branching the feed water supplied from a feed water supply pipe to a plurality of water use instruments and hot water can be supplied, the power source of the various electric equipment used for the supply system of the feed water is supplied through an earth leakage breaker provided on the water heater.