I'm in my first house and have zero experience with installing light fixtures. I finally decided to install the new hanging fixture my wife bought online. With no experience and crappy instructions I was able to get it hooked up and attached to the ceiling after fighting with it for a while. Now I'm concerned that I may have done it improperly.
After taking off the old fixture I found some exposed copper wiring at the top of the wire box. Nothing from the old fixture was connected to it, it's just two ends coming in on either side and they're twisted together. Thought it was weird but I moved on. I hooked up the house wiring to the light with wire nuts and then connected the copper wire with the hoop on it from the base of the light to the green ground screw. Then I pretty indiscriminately shoved the extra wiring from the light into the wire box because it didn't seem like I had much choice.
Everything turns on but now I'm worried that maybe the extra wiring I shoved in there could cause a fire. It's shielded with a white woven sleeve but I'm not sure if that's adequate. I'm also worried that maybe the extra slack on the copper ground wire could come in contact with something and cause an issue. Would a messy job like this worry any of you? Should I just take the light off and have an electrician put it back on?
UPDATE: I took the fixture back off because I was nervous about it. Here are some photos of the box. I assume the exposed copper wire at the top is for grounding and I was incorrect to just attach the wire from the light to the ground screw since the box is apparently not metal.