Power connector

A power connector, comprising:

• an insulative housing having a mating surface, an end surface opposite to the mating surface and a plurality of first passageways extending through the mating and the end surfaces, a depression being recessed into the insulative housing from the mating surface, a cavity being recessed into the insulative housing from the end surface and extending through a bottom wall of the insulative housing;
• a plurality of first contacts received in the first passageways along a first direction, each first contact having a main portion received in the corresponding first passageway and a tail portion located at the cavity in condition that at least one side wall of the tail portion is exposed to the outside;
• and
• a spacer received in the depression along the first direction, the spacer defining a plurality of through holes corresponding to the first contacts.