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Perhaps there needs to be several ranges based on cable type , bare , ferruled , bent , multi or single etc
Discuss Torque Talk in the UK Electrical Forum area at ElectriciansForums.net
Perhaps there needs to be several ranges based on cable type , bare , ferruled , bent , multi or single etc
Spot on.Wheel nuts and electrical terminals are different situations.
The torque value for the wheel nuts is set knowing exactly what is being fitted, what its made of etc etc.
Electrical terminals could have a range of types and sizes of conductor put in them, there may even be multiple conductors in there. I can't see how one universal torque setting can be correct for all sizes and types of conductor.
There are plenty of mini-torque wrenches out that that can take screwdriver bits, but fully accept space constraints in some cases.Also to mention some electricians torque screwdrivers only range from 1-3 NM like the Wera , which is a bit naff from a £175 tool when some makes of main switches ask for 3.2-3.4NM
Spot on.
Also wheel nuts are subject to significant forces and vibration making torque settings important. Whereas Domestic Electrical installations are (generally) not subject to these forces & vibrations, and so terminal screws, if nipped up, are highly unlikely to work loose.
hmmm....if temperatures are getting high enough to that then cable is likely undersizedScrew terminals are subject to thermal creep, through which they can become loose, although that's not going to be much of an issue at the time of installation.
hmmm....if temperatures are getting high enough to that then cable is likely undersized
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