Report on the failed bus-bar chamber (Type 36) removed from Kearsney Sub-station 16/9/86 (TM-EU-11)

It is concluded from the above evidence, that the failure of the MF 36 bus-bar chamber at Kearsney Sub-station was caused by the absence of one or more spring washers on the bus-bar, allowing a joint to relax. The failure may be regarded as an error in manufacture and there...