supply of supply of w-type shrouded copper dsl bus bars , supply of w-type shrouded copper dsl bus bars 250a rating, bolted joints & 4-pole hanger clamps, as per the details enclosed. a) one set of the item consists of 4nos. of w-type shrouded copper d sl bus bars 250a rating with pvc insulation sleeves in red, yellow, blue & green colours. b) w-type shrou ded copper dsl bus bars should be supplied with r,y,b,g insulation sleeves (4 nos. in each colour) c) each w-type shrouded copper dsl conductor of 4.5 meters standard length should be supplied with splice cove rs (2nos. each), single pole hanger clamps (4x4nos. each) and end caps (2 nos. each) d) the bus bar and pvc sleeve should be better resistant to atmospheric conditions. [ warranty period: 30 months after the date of delivery ] ]