Abstract: An electrical low voltage building installation, wherein excess current protection devices are provided for conductor branch offs with cross-section reductions, wherein at least one distributor conductor is provided at which conductor branch offs for branch conductors with a reduced cross-section compared to the distributor conductor are arranged in the building in a distributed manner, wherein the associated excess current protection devices are arranged accordingly distributed at the conductor branch offs or subsequent to the conductor branch offs in the branch conductors, wherein the excess current protection devices that are arranged in a distributed manner are configured to be switched on again through remote control after triggering, and wherein the excess current protection devices do not require a remote control function for interrupting their respective conductor branch off or branch conductor, but perform the interrupting locally, this means upon their own determination of an excess current.