... counter-weights, gears ,and flywheels), main bearings,thrust bearings, camshafts and bearings, connect-ing rods and bearings, pistons (including rings and pins), timing gear mechanisms, and auxiliary ... testing, chap 7).(8) Equipment grounding refers to the methodin which conductive enclosures, conduits, supports, and equipment frames are positively and perma-nently interconnected and connected to ... enclosures, shielding and grounding ofAC equipment and devices should eliminate RFI.RFI can be carried by conductive material or bebroadcast. Lamp ballasts, off-spec radio equipment and certain controls...