I am replacing an old outdoor covered porch light fixture with a new LED fixture. The back of the new fixture plate is only about 1 inch max and needs to be flush with the existing wooden support block 6x9x 2" . The old light had a thicker back plate to accomodate a thin junction box. The new one does not. The wires come through a small 2 inch hole through the 2 inch thick wood support block which is mounted securely into the house's wood siding. I can secure the circular metal strap to the wooden block for mounting the light. Must I install a junction box? It would be a lot of trouble to get one recessed into the block.

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    I think we're going to need a picture. Since you're new here, you won't be able to add one yourself. Please provide a link to a photo in the comments and someone will edit it in to your post. – longneck Aug 30 '18 at 13:53
  • All connections need to be made in an accessable box except for listed splices that are allowed to be covered – Ed Beal Aug 30 '18 at 16:20
  • Would the new light fixture mount to a round metal "pancake" box? A pancake box is 1/2" deep and can be flush mounted to a block. – Jim Stewart Aug 30 '18 at 16:47

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