I'm installing a flood lamp on my outdoor garage. So, I went to take look at the junction box, and to my surprise, it appears oddly filled:
Filled to the point where I almost feel as though it's too filled.
The junction box is 4x4x2 1/2. There's at least from what I can count 4 different circuits running out there:
1) washer + misc outlets in garage
3) garage lights (outdoor)
4) garage lights indoor + garage opener
The house was built in the 1980's - I live in the Pacific Northwest (specifically, Washington State).
I do have a 5x5 that I purchased that I could replace it with, but I wasn't sure if I should "extend it" or just "replace it" entirely, which I guess would be the second half of my question.
I'm adding the flood lamp to the same circuit as the rest of the outdoor garage lights.