Which EN60320 connector should I use with my detachable power cord? EN60320 Connector Application Chart for Two or Three Conductors What is the difference between the C15 and C13? The C15 is a hot condition connector rated to 120C. The C13 is rated to 65C. What angles are available with EN60320 connectors? There are a variety angles available: left, right, down, even 45 degrees, but straight and right angled are by far the most common.