480 V is more dangerous than 120 В, so it may cause trouble for the maintenance operators. Также, if you use 480 В, you have to make sure the wire has a strong insulation ability, which may add to the costs. But for large areas like the parking lot, 480 V can effectively reduce the voltage drop. To balance the pros and cons, you can use a transformer.
Больше чтения: Светодиодные уличные фонари: Несколько вещей, которые вам нужно знать



