One arc of electricity created by bringing exposed live electric wiring into contact with the leftover rainwater that stood on every floor and leaked from every ceiling was mostly likely the cause.
(electricity; created; by bringing exposed live electric wiring into contact with the leftover rainwater) (One arc of electricity; was; mostly likely) (One arc of electricity; by bringing; exposed live electric wiring; into contact with the leftover rainwater) (the leftover rainwater; stood; on every floor) (the leftover rainwater; leaked; from every ceiling)
electricity One arc of electricity One arc of electricity the leftover rainwater the leftover rainwater
created was by bringing stood leaked
by bringing exposed live electric wiring into contact with the leftover rainwater
mostly likely
exposed live electric wiring into contact with the leftover rainwater
on every floor
from every ceiling