On 14/12/2014 18:09, tony sayer wrote:
In article , Robin
scribeth thus
at the Tool Fair in Esher in November I spooted screwdrivers with a
torgue setting. Presumablt to get the terminals properly tight.

Is this a new breed of electricians? I'd always assumed that they all
had bloody enormous tools and that the only torque setting they knew was
"just short of shearing".


Wots wrong wiv tighten, shear of the bolt and then back of half a turn/


Thats what me dad used to do with spitfire engines back in WW2, never
had any complaints..


Plastic deformation?

--
Roger Chapman