Specifications - City of Montpelier, Vermont

Title:16110 – RacewaysMontpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Page #:10 of 10noise transmission, or movement; and for all motors. Install separate groundconductor across flexible connections.Z. Install nonferrous conduit or tubing for circuits operating above 60 Hz. Wherealuminum raceway is installed for such circuits and it passes through concrete,install in a nonmetallic sleeve.AA.BB.CC.DD.EE.FF.GG.Do not install aluminum conduit embedded in or in contact with concrete.PVC externally coated rigid steel conduit: Patch all nicks and scrapes in PVCcoating after installing conduit.Surface Metal Raceway: Install a separate green ground conductor in racewayfrom the junction box supplying the raceway to receptacle or fixture groundterminals.Select each surface metal raceway outlet box to which a lighting fixture isattached to be of sufficient diameter to provide a seat for the fixture canopy.Where a surface metal raceway is used to supply a fluorescent lighting fixturehaving central stem suspension with a backplate and a canopy, with or withoutextension ring, the backplate and canopy will serve as the outlet box and noseparate outlet box need be provided.Provide surface metal raceway outlet box, in addition to the backplate andcanopy, at the feedin location of each fluorescent lighting fixture having endstem suspension.Where a surface metal raceway extension is made from an existing outlet box onwhich a lighting fixture is installed, provide a backplate slightly smaller than thefixture canopy, and no additional surface mounted outlet box need be installed.3.3 ADJUSTING AND CLEANINGA. Upon completion of installation of raceways, inspect interiors of raceways; clearall blockages and remove burrs, dirt, and construction debris.END OF SECTION 16110RACEWAYS1611010