A plugboard for housing sockets and micro-relays, of the type used for housing a plurality of connectors suitable for mounting sockets or micro-relays, which is composed of a base (1) and a plurality of holes (4) for housing connectors (2) suitable for mounting sockets or micro-relays Said holes (4) not being but instead rotated 180.degree. with regard to the position of the adjacent holes (4) intended for housing the connectors (2) suitable for mounting sockets or micro-relays to said plugboard.