The present disclosure provides descriptions of configurations for bonding washers used to facilitate the electrical bonding of metal structures. The bonding washer includes an electrically conductive body and at least one piercing member extending from a bottom surface of the body. An extended member extends from the electrically conductive body in a direction away from the bottom surface of the body.

The invention relates to a connection device for earthing an electrical apparatus or putting it at a reference potential. It is inserted between a first electrically conductive part belonging to said electrical apparatus and a second part belonging to a support structure on which said electrical apparatus is mounted and which may be at least partly electrically insulating. It is characterized in that it comprises a first automatic connection area for automatically creating electrical contact with said first part, and a second automatic connection area for automatically creating electrical contact with an electrical conductor that is earthed or connected to a reference potential, when said electrical apparatus is mounted on said support structure. The electrical apparatus is thus automatically earthed or connected to a reference potential when it is mounted on said support structure via said connection device and said electrical conductor, specifically without any tools, screws or any other fastening member.

A connection device for a shield conductor of an electrical line includes: a housing attachable to a potential collector, into which housing the electrical line with the shield conductor is insertable; a spring element which is arranged adjustably on the housing, which spring element has a clamping leg and is movable relative to the housing from an open position into a clamping position in order to, in the clamping position, act with the clamping leg on the shield conductor of the electrical line inserted in the housing; and a locking element which is adjustable, relative to the housing, between a locking position, in which the housing attached to the potential collector is locked with the potential collector, and an unlocking position for releasing the housing from the potential collector.

An electrical connection system includes a mounting stud having a base configured for mounting to a conductive surface. One or more one ring-shaped lugs, formed of an electrically conductive material, are configured for being positioned on the mounting stud for surrounding the mounting stud. The ring-shaped lug includes one or a plurality of interior channels extending around the inside diameter thereof. A contact spring is seated within a respective interior channel and is electrically conductive and dimensioned to extend radially inwardly from the channel and contact the mounting stud when the ring-shaped lug is positioned thereon. The contact spring is configured to at least partially collapse in the radial direction and to provide a spring bias against the mounting stud for providing an electrical connection between the ring-shaped lug and mounting stud. A locking cap is positioned on the mounting stud over the at least one ring-shaped lug for locking with the mounting stud and securing the ring-shaped lugs on the mounting stud for a secure electrical connection.

An earth wire holder for a cable tray having two spaced-apart side bars, wherein the earth wire holder is in the form of a spring clamp having a side bar receptacle enclosed by two mounting arms for connecting the spring clamp to the upper edge of a side bar and having an undercut earth wire receptacle enclosed by two holding arms, wherein, when the spring clamp is mounted on the upper edge of the side bar, the mounting arms bear against the side bar under prestress, and the spacing between the holding arms in the section thereof enclosing the earth wire receptacle is smaller than the diameter of the earth wire to be introduced therein.

An enclosure and method for an electrical component having a base portion and a cover portion. The base portion has a first channel which extends about at least a portion of a periphery of the base portion. The cover portion has a second channel which extends about at least a portion of a periphery of the cover portion. The second channel is aligned with the first channel to form a sealant receiving channel. A sealant is provided in the sealant receiving channel. The cover portion has at least one inlet opening configured to receive the sealant as the sealant is injected into the sealant receiving channel. The cover portion has at least one outlet opening configured to allow excess sealant of the sealant to escape from the sealant receiving channel as the sealant is injected into the sealant receiving channel.

A safety ground terminal apparatus can include a ground terminal operable to switch between a common ground connection or a isolated ground connection, wherein the ground terminal comprises a hinge point that is connectable to a base of a housing via a rail in an arrangement that allows for a disconnection from the common ground connection when the isolated ground connection is required and without compromising electrical contact. The ground terminal can provide a watertight ground connection irrespective of the type of ground connection requirement. The common ground connection or the isolated ground connection can be achieved without any additional parts assembled.

An earth wire holder for a cable tray having two spaced-apart side bars, wherein the earth wire holder is in the form of a spring clamp having a side bar receptacle enclosed by two mounting arms for connecting the spring clamp to the upper edge of a side bar and having an undercut earth wire receptacle enclosed by two holding arms, wherein, when the spring clamp is mounted on the upper edge of the side bar, the mounting arms bear against the side bar under prestress, and the spacing between the holding arms in the section thereof enclosing the earth wire receptacle is smaller than the diameter of the earth wire to be introduced therein.

A securing sleeve for securing a shield of an electric conductor to a shielding contact includes a securing section having a bottom disposed between a pair of wings. The bottom supporting the electric conductor. The wings are spaced apart at a free end of each of the wings distal from the bottom by a slot extending in an axial direction in an open state of the securing sleeve. The wings have a plurality of complementary positive locking element at the free ends that secure the securing sleeve in a circumferential direction in a closed state.

A heat retarding arrangement includes a phase change material. The heat retarding arrangement is attachable at or in an electric conductor and passively cools the electric conductor.