It took me several days to make Light Angel work. The contact points did not match the existing receptacles. I tried many experiments unsuccessfully UNTIL I discovered the receptacle that had positive and negative poles closer than most. It was a cheap 68-cent receptacle found in Lowe's that did the job without any problem. I installed 12 Light Angels without a single problem. Be sure the area is dark when testing rather than the finger. The Light Angel design could be improved by making the contact points wider to fit all.
Bottom Line: Yes, I would recommend this to a friend
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