Korean power cords look similar in appearance to European plugs, but the pins of European two-pole plugs are with Φ4.8mm or Φ4.0mm pins, and Korean plugs only use Φ4.8mm pins. All plugs are certified by KTL(Korea Testing Laboratory),with KC Certificates.2-prong plugs (without grounding)used in Class II, are manufactured according to the CEE 7/17 standard. The CEE 7/4 and CEE 7/7 plugs (also known as “Schuko”) are 3-wire with grounding.