Connection systems and methods thereof facilitate establishing electrical connections through a barrier such as a drape without compromising a sterile field established by the barrier. A connection system can include two connectors. A first connector can include a first-connector housing defining a cavity, a slideable end piece coupled to a distal-end portion of the first-connector housing, and at least a first piercing element connected to a first electrical lead. The first piercing element can be configured to enter the cavity and pierce a barrier disposed in the cavity when the slideable end piece is advanced toward a proximal-end portion of the first-connector housing. A second connector can include at least a first receptacle within a second-connector housing connected to a second electrical lead. The first receptacle can be configured to form at least a first electrical connection with the first piercing element after the first piercing element pierces the barrier.

A male connector includes male terminals 22 held in a male housing 20, tubular bodies 44 projecting on the male housing 20 and surrounding male connecting portions 24 of the male terminals 22, insulating cover portions 32 for covering tip parts of the male connecting portions 24, female terminal accommodation gaps 46 formed between the male connecting portions 24 and facing surfaces of the tubular bodies 44, and female terminal accommodation holes 48 open in projecting end surfaces and side surfaces of the tubular bodies 44. The female terminal accommodation gaps 46 and the female terminal accommodation holes 48 are configured to allow insertion of female terminals 72 including female connecting portions 70 to be connected to the male connecting portions 24 in a mating female connector 14 while hindering hand contact with the male connecting portions 24.

A male connector includes male terminals 22 held in a male housing 20, tubular bodies 44 projecting on the male housing 20 and surrounding male connecting portions 24 of the male terminals 22, insulating cover portions 32 for covering tip parts of the male connecting portions 24, female terminal accommodation gaps 46 formed between the male connecting portions 24 and facing surfaces of the tubular bodies 44, and female terminal accommodation holes 48 open in projecting end surfaces and side surfaces of the tubular bodies 44. The female terminal accommodation gaps 46 and the female terminal accommodation holes 48 are configured to allow insertion of female terminals 72 including female connecting portions 70 to be connected to the male connecting portions 24 in a mating female connector 14 while hindering hand contact with the male connecting portions 24.

A connection unit for connecting at least one connection element includes: a housing; a first contact element; a second contact element arranged on an opposite side to the first contact element, at least one receiving space being formed between the first contact element and the second contact element for clamping the at least one connection element between the first contact element and the second contact element; and at least one finger guard element which covers at least some regions of the first contact element and the second contact element in a region of the at least one receiving space. The first contact element, the second contact element, and the finger guard element are borne in the housing in a floating manner.

A power connector includes an insulated housing and at least one electrical terminal assembly. The insulated housing has at least one terminal receiving hole. The at least one electrical terminal assembly is inserted in the at least one terminal receiving hole. Each electrical terminal assembly has an inner terminal, and an outer terminal. Each inner terminal has a connecting section, and an elastic section connected to the connecting section. Each outer terminal has a conductive portion, a leg portion arranged at one end of the conductive portion, and a curve portion arranged between the conductive portion and the leg portion. The leg portion is exposed outside of the insulated housing. The connecting section of the inner terminal is fixedly connected to the conductive portion of the outer terminal. The present disclosure further has an electrical terminal assembly.

A pop-up outlet includes a lower housing configured to receive one or more conductors. A middle housing is connected to the lower housing. An upper housing is moveably connected to the middle housing. An outlet is positioned in the upper housing having an outlet body and at least one receptacle opening. A raise/lower mechanism is configured to move the upper housing with respect to the middle housing from a first position where the outlet body is positioned in the middle housing to a second position where the outlet body is exposed to a user.

A pop-up outlet includes a lower housing configured to receive one or more conductors. A middle housing is connected to the lower housing. An upper housing is moveably connected to the middle housing. An outlet is positioned in the upper housing having an outlet body and at least one receptacle opening. A raise/lower mechanism is configured to move the upper housing with respect to the middle housing from a first position where the outlet body is positioned in the middle housing to a second position where the outlet body is exposed to a user.

A high-voltage cable plug (1) for installing on an end of a high-voltage cable (20) has an insulating part (14) attached to the end of the high-voltage cable (20). The insulating part is cone-shaped at least in some sections on the outer surface of the insulating part and can electrically tight contact a socket element (2) associated with the high-voltage cable plug (1) when the plug-in connection is established. The high-voltage cable plug (1) has a protective element (40) at or near the end of the high-voltage cable plug facing the socket element (2). The protective element protrudes beyond the end of the high-voltage cable plug (1) facing the socket element (2) in a radial direction, with respect to a longitudinal axis (10) of the high-voltage cable plug (1), to such an extent that the protective element (40) prevents damage to the high-voltage cable plug (1) or to the socket element (2) when the high-voltage cable plug (1) is inserted into and removed from the socket element (2).

A high-voltage cable plug (1) for installing on an end of a high-voltage cable (20) has an insulating part (14) attached to the end of the high-voltage cable (20). The insulating part is cone-shaped at least in some sections on the outer surface of the insulating part and can electrically tight contact a socket element (2) associated with the high-voltage cable plug (1) when the plug-in connection is established. The high-voltage cable plug (1) has a protective element (40) at or near the end of the high-voltage cable plug facing the socket element (2). The protective element protrudes beyond the end of the high-voltage cable plug (1) facing the socket element (2) in a radial direction, with respect to a longitudinal axis (10) of the high-voltage cable plug (1), to such an extent that the protective element (40) prevents damage to the high-voltage cable plug (1) or to the socket element (2) when the high-voltage cable plug (1) is inserted into and removed from the socket element (2).

A plug comprises power contacts and a trip jumper having jumper contacts configured to make a trip connection, during a plugging action with the plug and a receptacle, with mating trip contacts in the receptacle. When the receptacle is connected to electrical power during the plugging action, a current over the trip connection can cause disconnection of a receptacle power contact from the power. A receptacle comprises receptacle power contacts and a trip circuit having receptacle trip contacts configured to make a trip connection, during a plugging action with the receptacle and plug, with mating trip contacts in the plug. When the receptacle is connected to electrical power during the plugging action, a current over the trip connection can cause disconnection of power to a receptacle power contact. A system can have an electrical device with a line cord connected to the plug.