Patent ID: 8197260

Claim:
An apparatus for providing electrical power, the apparatus comprising: a housing; at least two electrical outlets at the housing; a rotation coupler at least partially enclosed by the housing and coupled to the at least two electrical outlets; and a prong adapter rotatable relative to the rotation coupler when secured to the rotation coupler; wherein: the rotation coupler comprises at least two of: a first contact set comprising a first one of a line contact, a neutral contact, or a ground contact; a second contact set comprising a second one of the line contact, the neutral contact, or the ground contact; or a central contact comprising a third one of the line contact, the neutral contact, or the ground contact; the prong adapter comprises a prong set comprising at least two of: a first prong configured to couple with the first contact set of the rotation coupler and comprising a first one of a line prong, a neutral prong, or a ground prong; a second prong configured to couple with the second contact set of the rotation coupler and comprising a second one of the line prong, the neutral prong, or the ground prong; or a third prong configured to couple with the central contact of the rotation coupler and comprising a third one of the line prong, the neutral prong, or the ground prong; the first contact set comprises two or more first contact flanges configured to couple with the first prong at a rear of the prong adapter; the second contact set comprises two or more second contact flanges configured to couple with the second prong at the rear of the prong adapter; the two or more first contact flanges are located along a first perimeter defined by a first radius from the central contact; the two or more second contact flanges are located along a second perimeter defined by a second radius from the central contact; the central contact is located within the first perimeter of the first contact set; the first perimeter of the first contact set is located within the second perimeter of the second contact set; the central contact is electrically isolated from the two or more first contact flanges of the first contact set; and the two or more first contact flanges of the first contact set are electrically isolated from the two or more second contact flanges of the second contact set.