The cooker hood normally comes supplied with a good length of flex which can be connected to the junction box above the ceiling.
These fault timesheet timecard conditions are normally masked with a standard junction box allowing operation with measurement errors.
It's a good choice if the room you want to light has a limited power supply, because it supports a good number of fixtures and can be powered from a single junction box.
Hardwiring into the area's junction box is usually the best solution to avoid having a cord run across the ceiling and down the wall to an outlet.
No need for multiple junction boxes, All your track lighting for the average-sized kitchen can run from one junction box because they are require low voltages.
