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Anyone know the practical issues with a type AC outdoor socket?

WIAWSNB
WIAWSNB Posts: 1,592 Forumite
1,000 Posts Name Dropper
I fitted one to power an electronic charger for a Phev. 

The socket is this fellow: https://www.bgelectrical.uk/uk/wiring-devices/weatherproof-decorative/13a-rcd-socket/WPL22RCD-01 but seemingly type AC models like this have been banned in certain countries as some electronic devices, emitting DC waveforms, can 'blind' it and not cause it to trip when it should. Type 'A' are not affected.

A few times now I have found my charger goes to 'amber' error when I switch on the RCD's socket switch, but it's fine if turned off and left for a bit, or if I do stuff like trip and reset the RCD (not quite sure yet what 'fixes' it...)

I can't see how the RCD can affect the charger - the only 'issue' should be that the RCD might not trip at all. 

Any idea? Ta. 








Comments

  • WIAWSNB
    WIAWSNB Posts: 1,592 Forumite
    1,000 Posts Name Dropper
    edited 24 October at 2:10PM
    Thanks. Now fixed.
    Now answer my question :smiley:
  • Rodders53
    Rodders53 Posts: 2,746 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    Almost certainly that outlet is not rated for EV use at 10 Amps max.

    Exactly which make and model of EV mains supply cable (granny lead)?  What does the manual say about an orange light fault?

    These connection units check for various things in start up before connecting the car to mains electricity, and then do more checks, including monitoring the temperature of the live pin and fuse to try to prevent damage to the plug and socket.

    Most have a RCD built in and some will check for loss of a protective earthed neutral by measuring relative voltages between L, N and E... One of those measuring close to/out of spec could result in said orange fault?  Remaking connections may correct a poor contact or just get a different in spec measurement.

    Fitting a proper EVSE would be advised by some... it'll be ready for when you get a proper BEV.
  • WIAWSNB
    WIAWSNB Posts: 1,592 Forumite
    1,000 Posts Name Dropper
    It should handle 10A no problem - it's on a dedicated 2.5mm cable from its own 20A MCB in the garage CU.
    I do notice the mains plug becomes luke-warm after a couple/few hours charging, but barely perceptible. But the amber comes on on first switch on, never during a charge.
    (I've no intention of fitting larger, dedicated, charger as it would need to be fitted on the house rather than the garage. And I have PVs which will provide the whole 2.4kW charge on a bright day.)
    Seemingly the amber means a warm socket, not sure if car or mains end, but this amber is on power up, so doesn't make sense.
    Ta.
  • WIAWSNB
    WIAWSNB Posts: 1,592 Forumite
    1,000 Posts Name Dropper
    Ok, the occasional 'orange' error cannot have anything to do with my RCD being an AC type. 

    Seemingly the orange error suggests heat in the mains plug - it has a built-in thermistor in case the wall socket becomes too warm. Why it would have triggered this when it wasn't even powered up, I don't know. Perhaps it's faulty.

    Anyhoo, it doesn't appear to be a regular issue. 
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