Placing the junction box at an appropriate height ensures easy access for future maintenance, inspections, and troubleshooting. Seems like it could well be feasible to remove the current boxes, and mount old work boxes in their place, but how you do that would depend on the current situation. No, unless I tear down the drywall or tear off the roof. If I could only remember to THINK about. We had an existing box, which sat flush to the drywall, but it had broke on one side of the threading, causing the chandelier to pull down a little (probably not helped by our younger son going on the table and grabbing it). We decided to replace it with a beefer metal hanger, but it looks like the. Overstuffed electrical boxes are a fire hazard, but they're easy to fix. Safety hazards can arise because of loose connections, overheating, corrosion, and poor installations, among others. Here's my math: 2 Romex x 2 conductors = 4 All the ground wires = 1 Two cable clamps = 1 One. Yes box fill is too high. Just roughly if box is 2inches deep we talk about 72 inch3 of volume. Even without allowance there should not be more than 32 conductors in the box. Recommend evaluation by electrician.
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