Patent ID: 8142208

Claim:
A three-pole adapter plug of the standard CEE 7/7 with an additional contact sleeve for a FR grounded pin, comprising: a plug assembly, a first side of the plug assembly having a grounded plug comprising two pins and two grounded conductors; a second side of the plug assembly, opposite to the first side, having a socket for at least one plug of British standard; a housing of the plug assembly forming a grounded insertion body; and a plurality of contact sleeves for plug pins of British standards being arranged within the grounded insertion body, one of the plurality of contact sleeves for the grounded pin of British standard being arranged in a same plane of symmetry as the two grounded conductors of the grounded plug, the plurality of contact sleeves for a three-pole UK plug are accommodated completely within a closed grounded insertion body, the grounded insertion body not being rotationally symmetrical in rounded parts thereof.