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 in a strip
Hardwired & Plug in - The power adapter allows to have two different wiring connections: direct hardwiring and wall plug in, for direct hardwiring, just cut the plug off, you will get a black cord (L) and a white cord (N)