conduit "conduit" means- (a) any conduit which, whether or not it is itself an electric line, is maintained by an electricity company for the purpose of enclosing, surrounding or supporting such line, including, where such conduit is connected to any box, chamber or other structure (including a building) maintained by an electricity supply company for purposes connected with the conveyance, transmission or distribution of electricity, that box, chamber or structure; (b) a water main or any other conduit maintained by a water authority for the purpose of conveying water from one place to another; (c) a public sewer; (d) a culvert or water course; or (e) any other underground facility for carrying, enclosing, surrounding or supporting network facilities; ACT 588 - COMMUNICATIONS AND MULTIMEDIA ACT 1998 6. Interpretation.