IR testing a USB socket.

When installing them, what about using a deeper box, and wago connectors so the socket is on a very short spur that you can disconnect with ease while keeping the ring connected?

(I am a HMO landlord, and the USB sockets are now being used a lot in HMO bedrooms!)
 
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ringi said:
When installing them, what about using a deeper box, and wago connectors so the socket is on a very short spur that you can disconnect with ease while keeping the ring connected?
Click to expand...
I personally don't think it is a brilliant idea to add unnecessary connections in a circuit just to make (occasional) testing slightly quicker.

If the manufacturers would only make all these USB sockets shutter-switched, then the problem would go away.

Kind Regards, John
 
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On a EICR I would state L-N as a limitation and just to L+N to E.
On a MWC I would do the same... you never know what else could be connected anyway

On an EIC I wouldn't have to worry as a new circuit I installed wouldn't have USB chargers fitted:p
 
The DP Switch fused connector unit also saves power wastage whenever the USB sockets are not in use.
 
JohnW2 said:
ringi said:
When installing them, what about using a deeper box, and wago connectors so the socket is on a very short spur that you can disconnect with ease while keeping the ring connected?
Click to expand...
I personally don't think it is a brilliant idea to add unnecessary connections in a circuit just to make (occasional) testing slightly quicker.

If the manufacturers would only make all these USB sockets shutter-switched, then the problem would go away.

Kind Regards, John
Click to expand...
Wouldn't that introduce another connection though?
 
stillp said:
JohnW2 said:
I personally don't think it is a brilliant idea to add unnecessary connections in a circuit just to make (occasional) testing slightly quicker. ... If the manufacturers would only make all these USB sockets shutter-switched, then the problem would go away.
Click to expand...
Wouldn't that introduce another connection though?
Click to expand...
It would, but they would be permanent factory-produced connections and, more to the point, would not have to be undone/re-done for testing.

Kind Regards, John
 
kai said:
The DP Switch fused connector unit also saves power wastage whenever the USB sockets are not in use.
Click to expand...
So would shutter-switched USB power outlets. Also, has it no occurred to you that some people might want to draw more than 13A total from a double socket - the 13A fuse in an FCU would probably allow 20A to flow for quite a long time, but it's hardly good practice, and the fuse would probably get very hot.

Kind Regards, John
 
stillp said:
I wonder if these USB socket-outlets have passed the temperature rise test in BS 1363?
Click to expand...
Probably not necessarily! As an example, the MK K2743 claims compliance with BS 5733, IEC 61558-2-16, IEC 61000-6-1 and IEC 61000-6-3, but no mention of BS1363.

... which, of course, might be taken to some to indicate that they may not be connected to a standard ring final circuit, unless one reduces the OPD to 20A :)

Kind Regards, John
 
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