Keep the wire connections simple and clean, secure all lose wire to the other wires and connect to the breaker protected side of the power strip.
We performed on site installations for 30+ years until the system installations became so easy almost ll or our customers started doing the school bus camera surveillance system installs on their own. The last 2 remaining that required us to install them systems for them were the Army and the Air-force as their procurement process required direct manufacturer reps.
While other systems may still require highly trained technicians to install very complex and complication school bus camera pupil safety camera systems on their customers charter or public school buses, our customers continue to install them own their own.