You can get copper tape online easily and cheaply e.g. Amazon and eBay. Also in DIY stores. Sometimes sold as shielding tape, sometimes as slug repellent tape.
Just make sure that the adhesive is quoted as conductive. Most is, but some isn't, which means you have to solder the pieces together to get continuity.
I make sure that the tape is run around the screw holes for the control plate, as the screws them bring the cover and tape into good contact. the more pressure on the contact, the lower resistance that contact joint will be.
Last edited by Simon Barden; 07-09-2021 at 07:33 PM.
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