I'm going back at least a dozen years to when I last had to deal with
this.  At the time the requirement was that the earth wire could not be
removed without the use of a tool. I found that the tag gave me enough
torque with my thumb to loosen the nut sufficiently to enable the 
(nyloc) nut to be undone with my fingers.  We cured the problem by
placing the stud close to a side frame member so that it prevented
rotating the tag.

-- 
Regards

Dave Instone. Compliance Engineer
 Test Systems, MP24/22
 Xyratex, Langstone Rd., Havant, Hampshire, P09 1SA, UK.
Tel: +44 (0)23-92-496862 (direct line)
Fax: +44 (0)23-92-496014
http://www.xyratex.com  Tel: +44 (0)23-92-496000


Colgan, Chris wrote:
> 
> Hello group
> 
> Having only ever dealt with Class II double insulated products, we are going
> to produce a Class I earthed product.  We have an M4 stud in the baseplate
> and I have to spec the method of connecting the stud to the IEC mains inlet
> to provide chassis bonding to earth.
> 
> I was going to suggest the following "stack" of parts:
> 
> M4 crinkle washer, M4 solder terminal, M4 crinkle washer, M4 Nyloc nut.
> 
> Does anyone think that this might prove unsuitable?
> 
> Regards
> 
> Chris Colgan
> EMC & Safety
> > TAG McLaren Audio Ltd
> The Summit, Latham Road
> Huntingdon, Cambs, PE29 6ZU
> United Kingdom
> > * Phone: +44 (0)1480 415627
> > * Fax:     +44 (0)1480 415689
> > * Mailto:chris.col...@tagmclarenaudio.com
> > * http://www.tagmclarenaudio.com
> >

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