an earth conductor must be installed on each gray roof, which copies the outline of the building and protects the truss from light

architecture attic building climb cobblestone conductor copies dangerous delivers down each earth edge electric electronics exterior flat forbidden garage gazebo gray gutter home house installation installed light lightning metal must new outline parking pavement protection protects ridge roof roofing rooftop safety shingle shock silhouette steel storm sunny terrace thunder thunderbolt tile tiles touch truss water which wire wooden zinc