In Series Connection - All puck lights will be connected in series since each puck light has a male and a female cable connector, the entire lighting system will be daisy chained linked in a strip
Hardwiring & Plug in - The power adapter allows to power in two different ways: both direct hardwired and wall plug-in are enabled, for direct hardwiring, just cut the plug off, you will get a black cord (L) and a white cord (N)