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An apparatus including at least two longitudinally extending guides configured to be coupled to opposite side surfaces of a power supply unit such that, when coupled to the power supply unit, the guides cooperate with the power supply unit to form a channel between the guides, at least one end of ea

An apparatus including at least two longitudinally extending guides configured to be coupled to opposite side surfaces of a power supply unit such that, when coupled to the power supply unit, the guides cooperate with the power supply unit to form a channel between the guides, at least one end of each of the guides defining a recess in the at least one end that is configured to receive and retain a part of a flexible portion of an electrical power cord and to cooperate with the power supply unit to retain the power cord in a wrapped arrangement substantially within the channel, and a retention element cooperating with the recess to receive and retain the part of the flexible portion of the electrical power cord.

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1. An apparatus comprising: a power supply unit comprising a top surface, a bottom surface, a first pair of opposing side surfaces, and a second pair of opposing side surfaces, the first and second pair of opposing side surfaces disposed between the top surface and the bottom surface; anda plurality

1. An apparatus comprising: a power supply unit comprising a top surface, a bottom surface, a first pair of opposing side surfaces, and a second pair of opposing side surfaces, the first and second pair of opposing side surfaces disposed between the top surface and the bottom surface; anda plurality of substantially planar extensions configured to be coupled to the second pair of opposing side surfaces of the power supply unit such that when coupled to the power supply unit, the plurality of extensions extend outwardly from and transverse to the first pair of opposing side surfaces of the power supply unit, the extensions cooperating with the first pair of opposing side surfaces of the power supply unit to form open channels between the first pair of opposing side surfaces and the extensions such that an electrical power cord can be wrapped around the power supply unit and held in place against the first pair of opposing side surfaces and between the extensions within the open channels, wherein no portion of the open channels is formed by the second pair of opposing side surfaces, wherein at least one end of each of the plurality of extensions defines a recess in the at least one end that is configured to receive and retain a part of a flexible portion of the electrical power cord, wherein the at least one end of each of the plurality of extensions further defines retention mechanisms for retaining the part of the flexible portion of the electrical power cord within the recess, and wherein the plurality of extensions have widths that are substantially the same as widths of the second pair of opposing side surfaces of the power supply unit. 2. The apparatus of claim 1, further comprising a flexible element coupled to the retention mechanisms. 3. The apparatus of claim 2, wherein the flexible element comprises tips made from a rubber or a plastic. 4. The apparatus of claim 3, wherein the tips are bonded to the retention mechanisms or the tips are formed integrally with the retention mechanisms. 5. The apparatus of claim 1, further comprising a flexible element comprising a single jacket, the single jacket configured to substantially surround each of the retention mechanisms. 6. The apparatus of claim 1, wherein the retention mechanisms comprise a first substantially linear portion extending substantially parallel to a longitudinal axis of the at least one of the plurality of extensions and a substantially curved portion terminating proximate to the linear portion. 7. The apparatus of claim 6, wherein the substantially curved portion includes a first portion that extends substantially parallel to the longitudinal axis of the at least one of the plurality of extensions for a portion of its length and a second curved portion that extends for a portion of its length substantially perpendicular to the longitudinal axis of the at least one of the plurality of extensions before terminating in a portion that is substantially parallel to the longitudinal axis of the at least one of the plurality of extensions. 8. The apparatus of claim 1, wherein the retention mechanisms comprise a first substantially curved portion extending from the at least one end of each of the plurality of extensions and a second raised portion extending from the at least one end of each of the plurality of extensions. 9. The apparatus of claim 8, wherein the first substantially curved portion and the second raised portion cooperate to form a passageway in a side of the extension for receiving a part of the flexible portion of the electrical power cord. 10. The apparatus of claim 1, wherein the retention mechanisms comprise a first portion having a longitudinally extending and a curved portion and a second portion having a longitudinally extending and a curved portion, the first and second portions extending from an end portion of the at least one end of each of the plurality of extensions and terminating proximate each other to form a passageway leading into the recess defined between the first and second portions. 11. The apparatus of claim 10, wherein the retention mechanisms are flexible so as to permit the retention mechanisms to flex to allow passage of the power cord through the passageway and into the recess. 12. The apparatus of claim 10, further comprising one or more grooves defined in an end portion of the at least end portion of the guide proximate the first and second portions. 13. The apparatus of claim 12, wherein the one or more grooves are configured to permit the first or second portions to flex along or out of a plane defined by the at least one of the plurality of extensions. 14. An apparatus comprising: at least two longitudinally extending and substantially planar guides configured to be coupled to a first pair of opposite side surfaces of a power supply unit such that, when coupled to the first pair of opposite side surfaces of the power supply unit, the guides cooperate with each other and with a second pair of opposite side surfaces of the power supply unit to form open channels between the guides such that an electrical power cord can be wrapped around the power supply unit and held in place against the second pair of opposite side surfaces of the power supply unit and between the guides within the open channels, wherein widths of the two longitudinally extending guides are substantially the same as widths of the first pair of opposite side surfaces of the power supply unit, wherein no portion of the open channels is formed by the first pair of opposite side surfaces, and wherein at least one end of each of the guides defining a recess in the at least one end that is configured to receive and retain a part of a flexible portion of an electrical power cord and to cooperate with the power supply unit to retain the power cord in a wrapped arrangement substantially within the channel, and retention mechanisms cooperating with the recess to receive and retain the part of the flexible portion of the electrical power cord. 15. The apparatus of claim 14, wherein the retention mechanisms comprise a first portion having a longitudinally extending and a curved portion and a second portion having a longitudinally extending and a curved portion, the first and second portions extending from an end portion of the at least one end of each of the guides and terminating proximate each other to form a passageway leading into the recess between the first and second portions. 16. The apparatus of claim 15, wherein the retention mechanisms are flexible so as to permit the retention mechanisms to flex to allow passage of the power cord through the passageway and into the recess. 17. The apparatus of claim 15, further comprising one or more grooves defined in an end portion of the at least one end of each of the guides. 18. The apparatus of claim 17, wherein the one or more grooves are configured to permit the first or second portions to flex along or out of a plane defined by the at least one of the guides. 19. The apparatus of claim 14, wherein the retention element comprises a textured surface disposed within the at least one end of each of the guides defining the recess. 20. The apparatus of claim 14, wherein the retention element comprises an insert defining a plurality of textured portions disposed within the at least one end of each of the guides and the insert is bonded to the at least one end of the guides or is formed integral with the at least one end of the guides. 21. The apparatus of claim 14, wherein when coupled to the first pair of opposite side surfaces of the power supply unit, the two longitudinally extending guides cover substantially all of the first pair of opposite side surfaces to which the two longitudinally extending guides are coupled.