IB-80000A Non Segregated Phase Bus Duct - Powell Industries, Inc.

Non Segregated Phase Bus DuctIB-80000AFigure 7:Typical Hanging Bus Duct Support3/8" Steel Rod(Furnished by Installer)E. CONNECTION OF BUS BARSC LYSupport MemberAttached toBuilding Structure"Y" Dimension VariesDepending on Bus DuctElevation3/8" Nut, Lockwasher & FlatwasherBoth Sides (Furnished by Installer)Support Angle Bolted to Bus Duct(Furnished with Bus Duct)Before beginning the assembly of bus barconnections, clean all contact surfaces and removeany contamination or corrosion. Wipe surface clean.Do not use sandpaper or any abrasive on the platedsurface. Avoid handling of cleaned surface as muchas possible. If a hydrocarbon-based solvent is usedin the cleaning process, be sure that it does notcome into contact with the bus bar insulation. Thesesolvents may damage or destroy the insulation.Align the bus bar ends of adjoining sections andverify proper phase alignment. After the entire busduct is properly positioned and aligned the bus barsshould be loosely bolted together with the spliceplates and hardware provided. To insure that thejoints are made up without unnecessary strain, it maybe necessary in some cases to loosen the joints andsupport insulators on either side of the joint beingmade.Take special care with the installation of theconnections to other apparatus at the ends of thebus duct run. These connections frequently makeuse of flexible connectors. Refer to the drawingsfurnished with the bus duct for the proper installationof the flexible connectors. Do not use these flexibleconnectors are furnished to limit stress caused bythermal expansion and vibration on apparatusterminations, and to correct very minor (