[Info-vax] grounded MMJ cables

Phillip Helbig undress to reply helbig at asclothestro.multivax.de
Sun Jul 18 04:35:47 EDT 2021


In article <sd0n91$i5o$1 at tncsrv09.home.tnetconsulting.net>, Grant Taylor
<gtaylor at tnetconsulting.net> writes: 

> On 7/17/21 11:22 PM, Phillip Helbig (undress to reply) wrote:
> > I'm testing out some MMJ cables (useful for console cables) and 
> > notice that some (all of which are round rather than flat) have an 
> > additional wire outside of the plug at each end, which looks like it 
> > might be intended as ground.  What's the purpose of that?
> 
> How long is it?  I'd expect it to be 3-9 inches if it's meant to be a 
> ground wire that is attached to something else on the chassis.

Yes, about 5 inches.  It has an eyelet at the end, so one could connect 
it to the chassis via a screw.

> I would also have significant worries about ground loops and / or sneak 
> currents.  Both of which can be quite dangerous from an electrical and 
> safety perspective.  As in more amperage than the wire can safely handle 
> turning the wire into a heater that can melt insulation and start fires.

But is that an issue when using a console cable?




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