e) Torque

TORQUE: When terminating busbars at the terminals, they should be tightened with “Conical Spring Washer DIN 6796-X Spring Steel” x = dia of corresponding bolt in mm. These are locally available. The tightening torque of the bolts used for tightening the busbars should be of 8.8
class as per the following table :

Fig:Torque table



Fig Top view & side view of washer

Fig Front view of washer



Fig: different nuts & bolts used for busbars


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