Neotech NC-P312, SCHUKO power plug.
Constructed from pure UP-OCC
Copper. The contacts are plated with Rhodium, and cryogenically treated. The cable to housing clamping mechanism along with 3 pairs of different sized inserts facilitate the smallest cables all the way up to 0.935" (23.75mm) in diameter. This 15A connector is specified to accept 6+awg (5.4mm). Price to performance makes this AC plug a top contender!