GB2480484A - Electrical cable capping - Google Patents
Electrical cable capping Download PDFInfo
- Publication number
- GB2480484A GB2480484A GB1008437A GB201008437A GB2480484A GB 2480484 A GB2480484 A GB 2480484A GB 1008437 A GB1008437 A GB 1008437A GB 201008437 A GB201008437 A GB 201008437A GB 2480484 A GB2480484 A GB 2480484A
- Authority
- GB
- United Kingdom
- Prior art keywords
- elongate
- housing element
- electrical cable
- elongate housing
- capping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000011505 plaster Substances 0.000 claims abstract description 10
- 238000007373 indentation Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 210000002105 tongue Anatomy 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 238000005755 formation reaction Methods 0.000 claims description 18
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0431—Wall trunking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/26—Installations of cables, lines, or separate protective tubing therefor directly on or in walls, ceilings, or floors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/36—Installations of cables or lines in walls, floors or ceilings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
An electrical cable capping 10 (e.g. up or along a wall of a building) comprises an elongate housing element 12 and mounting feet 14 extending laterally from elongate edges of the elongate housing element 12. The outer surface 12a of the elongate housing element 12 is provided with one or more keying elements 18 for engaging with plaster applied to the outer surface. The thickness of at least part of the mounting feet 14 is greater than the material of the elongate housing element 12 and may comprise extensions of the elongate edges which are folded back on themselves to form reinforced thickened sections. The keying elements 18 may be V-shaped grooves or folds which extend internally of the elongate housing element 12 and form cable guides within the elongate housing element 12 to define a plurality of cable channels. The V-shaped grooves may follow a non-linear (e.g. curved or wavy) path. Keying elements 18 comprising surface indentations may additionally be formed in the outer surface 12a. A repeating series of two differently sized fixing apertures 20, 22 may be provided in the mounting feet. The repeating series may be of a generally circular 20 and an elongate slot 22 aperture type.
Description
Electrical cable cappinq The invention relates to electrical cable capping.
When installing electrical cabling in a building it is often necessary to run the cabling up or along a wall of the building. Cable capping comprising a profiled length of metal or plastic is then placed over the electrical cable and nailed in place along its edges. It can be difficult to ensure that the electrical cable is laying flat and straight within traditional cable capping, particularly where two or more cables are to be located within the cable capping. Once the cable capping has been installed the wall may be plastered, and plaster may also be applied over the cable capping. However it can be difficult to apply plaster over cable capping due to its external profile.
According to an aspect of the present invention there is provided electrical cable capping comprising: an elongate housing element having a shaped profile defining a cable channel, an outer surface of the elongate housing element being provided with one or more keying elements for engaging with plaster applied to the outer surface; and mounting feet extending generally laterally from elongate edges of the elongate housing element, the feet at least in part being thicker than the material of the elongate housing element.
The keying elements may enable plaster to be more effectively applied over the electrical cable capping. Making the mounting feet at least in part thicker that the elongate housing element may increase the strength of the electrical cable capping as compared to a traditional cable capping of the same size, profile and housing material thickness.
In an embodiment, the keying elements comprise elongate V-shaped grooves formed in the outer surface. The keying elements may therefore be simply formed by being pressed into the outer surface.
In an embodiment, the elongate V-shaped grooves comprise folds formed in the elongate housing section. Deeper V-shaped grooves may thus be formed.
In an embodiment, the elongate V-shaped grooves extend internally of the elongate housing element and form cable guides within the elongate housing element, thereby defining a plurality of cable channels. The V-shaped grooves may thus be formed such that they provide integral cable guides which extend internally into the elongate housing element. Electrical cable capping is thus provided in which one or each of a plurality of electrical cables may be arranged within a respective cable channel, enabling each cable to be laid along a fixed path within the cable capping.
In an embodiment, the elongate V-shaped grooves follow a non-linear path, such as a curved or wavy path. Providing non-linear keying elements may improve the engagement which may be achieved with the plaster.
In an embodiment, keying elements comprising surface indentations are additionally formed in the outer surface. The surface indentations may comprise dimples, teeth or additional grooves. Providing additional keying elements may improve the engagement which may be achieved with the plaster without affecting the path of an electrical cable within the cable capping.
In an embodiment, the mounting feet comprise extensions of the elongate edges of the elongate housing element, the elongate edges being folded back on themselves to form reinforced thickened sections of the feet. The elongate edges may be folded one or more times. The electrical cable capping may therefore be formed as a single piece, which may improve the strength of the capping as compared to a cable capping in which the mounting feet comprise separate elements for the same amount of material or allow the same strength to be achieved for a smaller amount of material.
In an embodiment, a repeating series of two differently sized fixing apertures are provided in the mounting feet on each edge of the elongate housing element. In an embodiment, the fixing apertures comprise a repeating series of a generally circular aperture and an elongate slot aperture. Providing fixing apertures may allow the cable capping to be fixed using both nails and screws. Providing two differently sized fixing apertures may allow the position at which the cable capping is fixed to a wall to be adjusted during fixing.
In an embodiment, the electrical cable capping is further provided with a male mechanical coupling formation at one end of the elongate housing element and a complementary female mechanical coupling formation at the other end of the elongate housing element. Adjacent lengths of electrical cable capping may therefore be coupled together at their ends, which may improve the alignment of adjacent lengths and may reduce gaps between adjacent lengths.
In an embodiment, the mechanical coupling formations comprise curved tongues which extend in the elongate direction from each end of at least one of the mounting feet, the male tongue is curved in a first sense and the female tongue is curved in the opposite sense. A simple mechanical coupling between adjacent lengths of electrical cable capping may therefore be provided. The tongues may be removed if not required in any particular usage, leaving clean ends to the electrical cable capping.
In an embodiment, the male mechanical coupling formation comprises a tongue which extends in the elongate direction from one end of the elongate housing element and the female mechanical coupling formation comprises a complementary slot provided in the other end of the elongate housing element. A more secure mechanical coupling between sections of electrical cable capping may therefore be provided and sections may be coupled together before being installed on a wall.
In an embodiment, the elongate housing element has a generally U-shaped profile. The width of the elongate housing element may vary according to the number of electrical cables with which the electrical cable capping is intended to be used.
Embodiments of the invention will now be described in detail, by way of example only, with reference to the accompanying drawings, in which: Figure 1 is a diagrammatic representation of a length of electrical cable capping according to a first embodiment of the invention; Figure 2 is a diagrammatic sectional view along line A-A of the electrical cable capping of Figure 1; Figure 3 is a diagrammatic sectional view of electrical cable capping according to a second embodiment of the invention; Figure 4 is a diagrammatic sectional view of electrical cable capping according to a third embodiment of the invention; Figure 5 is a diagrammatic representation of part of length of electrical cable capping according to a fourth embodiment of the invention; Figure 6 is a diagrammatic representation of either end of a length of electrical cable capping according to a fifth embodiment of the invention; and Figure 7 is a diagrammatic representation of either end of a length of electrical cable capping according to a sixth embodiment of the invention.
Referring to Figures 1 and 2, a first embodiment of the invention provides electrical cable capping 10 comprising an elongate housing element 12 and mounting feet 14.
The elongate housing element 12 has a shaped profile defining a cable channel 16. In this example the elongate housing element 12 has a substantially U-shaped profile defining a generally U-shaped cable channel 16. It will be appreciated that the shape of the profile may vary according to the number of electrical cables which the electrical cable capping 12 is intended to receive. For example, an electrical cable capping arranged to receive a single cable may have a part circular profile and an electrical cable capping arranged to receive a greater number of cables than that shown in Figures 1 and 2 may have a U-shaped profile of a greater width.
The outer surface 1 2a of the elongate housing element 12 is provided with one or more keying elements 18 for engaging with plaster applied to the outer surface. In this example, the keying elements comprise elongate V-shaped grooves formed in the outer surface 12a.
The mounting feet 14 extend generally laterally from the elongate edges of the elongate housing element 12. The mounting feet 14 are at least in part thicker than the material of the elongate housing element 12. In this example, the mounting feet 14 comprise extensions of the elongate edges of the housing element 12, so that the housing element 12 and the mounting feet 14 are formed as a single piece. The elongate edges of the mounting feet 14 are folded back on themselves (as shown in Figure 2) to form reinforced thickened sections 14a of the mounting feet 14.
A series of fixing apertures 20, 22 are provided in each of the mounting feet 14. In this example, the fixing apertures comprise a repeating series of a circular aperture 20 and an elongate slot aperture 22.
The electrical cable capping 10 may be formed of sheet metal or may comprise a plastic extrusion. Where the electrical cable capping is formed from plastic material, the reinforced thickened sections 14a of the mounting feet 14 may simply comprise thicker sections of material along the elongate edges of the mounting feet 14 rather than folded sections.
A second embodiment of the invention provides electrical cable capping 30 having a cross sectional profile as shown in Figure 3. The electrical cable capping 30 is substantially the same as the electrical cable capping 10 of Figures 1 and 2, and the same reference numbers are retained for corresponding features.
In this embodiment, the elongate V-shaped grooves 32 formed in the outer surface 1 2a of the elongate housing element 12 are deep enough so as to extend internally of the elongate housing element 12 and form cable guides 34 within the elongate housing element 12. In this example, two V-shaped grooves 32 are provided, forming two cable guides 34 which, together with the walls of the elongate housing member 12, define three cable channels 36.
The V-shaped grooves 32 may be simply formed by being pressed into the outer surface 12a of the elongate housing element 12.
A third embodiment of the invention provides electrical cable capping 40 having cross-sectional profile as shown in Figure 4. The electrical cable capping 40 is substantially the same as the electrical cable capping 10 of Figures 1 and 2, with the following modifications. The same reference numbers are retained for corresponding features.
In this embodiment, the keying elements comprise V-shaped grooves 42 in the form of folds formed in the outer surface 44a of the elongate housing element 44. The elongate folds 42 extend internally of the elongate housing element 44 and form cable guides 46 within the elongate housing element 44. The folds 42 produce resulting V-shaped grooves on the external surface 44a of the elongate housing element 44. The cable guides 46, together with the internal walls of the elongate housing element 44, form three cable channels 48.
Figure 5 shows a part of an electrical cable capping 50 according to a fourth embodiment of the invention. The electrical cable capping 50 is substantially the same as the electrical cable capping 10 of Figures 1 and 2, with the following modifications.
The same reference numbers are retained for corresponding features.
In this embodiment, the V-shaped grooves 52 extend along the elongate direction of the elongate housing element 12 following a generally curved or wavy path.
In this embodiment the outer surface 1 2a of the elongate housing element 12 is provided with additional keying elements in the form of surface indentations 54, 56 formed in the outer surface 12a. In this example, the surface indentations take the form of dimples or teeth 54 and additional V-grooves 56.
Figure 6 shows an electrical cable capping 60 according to a fifth embodiment of the invention. The electrical cable capping 60 is substantially the same as the electrical cable capping 10 of Figure 1, with the following modifications. The same reference numbers are retained for corresponding features.
In this embodiment, each end of the electrical cable capping is provided with a tongue 62,64 at the end of each of the mounting feet 14. The tongues 62 atone end 60a are curved in a first sense, into the page as shown in the drawings. At the other end of the electrical cable capping 60b, the tongues 64 are curved in the opposite sense, out of the page as shown in the drawings. The tongues 62, 64 are of complimentary formations so that they may engage with one another by hooking together, in order to mechanically couple the ends of two adjacent lengths of electrical cable capping 60.
Electrical cable capping 70 according to a sixth embodiment is shown in Figure 7.
Figure 7 shows one end 70a of a length of electrical cable capping and the other end 70b of the length of electrical cable capping. The electrical cable capping 70 is substantially the same as the electrical cable capping 10 of Figure 1, with the following modifications. The same reference numbers are retained for corresponding features.
In this embodiment, the electrical cable capping is further provided with a male mechanical coupling formation in the form of a tongue 72 on one end 70a of the elongate housing element 12 and a complimentary female mechanical coupling formation, in the form of a slot 74, provided at the other end 70b of the elongate housing element 12. The slot 74 is adapted to receive at least part of the length of the tongue 72, to form a mechanical coupling between the ends of adjacent lengths of electrical cable capping 70.
Claims (12)
- Claims 1. Electrical cable capping comprising: an elongate housing element having a shaped profile defining a cable channel, an outer surface of the elongate housing element being provided with one or more keying elements for engaging with plaster applied to the outer surface; and mounting feet extending generally laterally from elongate edges of the elongate housing element, the feet at least in part being thicker than the material of the elongate housing element.
- 2. Electrical cable capping as claimed in claim 1, wherein the keying elements comprise elongate V-shaped grooves formed in the outer surface.
- 3. Electrical cable capping as claimed in claim 2, wherein the elongate V-shaped grooves comprise folds formed in the elongate housing element.
- 4. Electrical cable capping as claimed in claim 2 or 3, wherein the elongate V-shaped grooves extend internally of the elongate housing element and form cable guides within the elongate housing element, thereby defining a plurality of cable channels.
- 5. Electrical cable capping as claimed in any of claims 2 to 4, wherein the elongate V-shaped grooves follow a non-linear path, such as a curved or wavy path.
- 6. Electrical cable capping as claimed in any of claims 2 to 5, wherein keying elements comprising surface indentations are additionally formed in the outer surface.
- 7. Electrical cable capping as claimed in any preceding claim, wherein the mounting feet comprise extensions of the elongate edges of the elongate housing element, the elongate edges being folded back on themselves to form reinforced thickened sections of the feet.
- 8. Electrical cable capping as claimed in any preceding claim, wherein a repeating series of two differently sized fixing apertures are provided in the mounting feet on each edge of the elongate housing element.
- 9. Electrical cable capping as claimed in claim 8, wherein the fixing apertures comprise a repeating series of a generally circular aperture and an elongate slot aperture.
- 10. Electrical cable capping as claimed in any preceding claim, wherein the electrical cable capping is further provided with a male mechanical coupling formation at one end of the elongate housing element and a complementary female mechanical coupling formation at the other end of the elongate housing element.
- 11. Electrical cable capping as claimed in claim 10, wherein the mechanical coupling formations comprise curved tongues which extend in the elongate direction from each end of at least one of the mounting feet, the male tongue being curved in a first sense and the female tongue being curved in the opposite sense.
- 12. Electrical cable capping as claimed in claim 10, wherein the male mechanical coupling formation comprises a tongue which extends in the elongate direction from one end of the elongate housing element and the female mechanical coupling formation comprises a complementary slot provided in the other end of the elongate housing element.Amendment to the claims have been filed as follows Claims 1. Electrical cable capping comprising: an elongate housing element comprising elongate edges and having a shaped profile defining a cable channel, an outer surface of the elongate housing element being provided with one or more keying elements for engaging with plaster applied to the outer surface, each keying element comprising an elongate V-shaped groove formed in the outer surface, the groove following a non-linear path relative to the elongate edges; and mounting feet extending generally laterally from the elongate edges, the feet at least in part being thicker than the material of the elongate housing element.2. Electrical cable capping as claimed in claim 1, wherein the elongate V-shaped grooves comprise folds formed in the elongate housing element.3. Electrical cable capping as claimed in claim 2, wherein the elongate V-shaped grooves extend internally of the elongate housing element and form cable guides within the elongate housing element, thereby defining a plurality of cable channels.4. Electrical cable capping as claimed in any of claims 2 to 4, wherein the elongate V-shaped grooves follow a curved or wavy path.5. Electrical cable capping as claimed in any of claims 2 to 4, wherein keying elements comprising surface indentations are additionally formed in the outer surface.6. Electrical cable capping as claimed in any preceding claim, wherein the mounting feet comprise extensions of the elongate edges of the elongate housing element, the elongate edges being folded back on themselves to form reinforced thickened sections of the feet.7. Electrical cable capping as claimed in any preceding claim, wherein a repeating series of two differently sized fixing apertures are provided in the mounting feet on each edge of the elongate housing element.8. Electrical cable capping as claimed in claim 7, wherein the fixing apertures comprise a repeating series of a generally circular aperture and an elongate slot aperture.9. Electrical cable capping as claimed in any preceding claim, wherein the electrical cable capping is further provided with a male mechanical coupling formation at one end of the elongate housing element and a complementary female mechanical coupling formation at the other end of the elongate housing element.10. Electrical cable capping as claimed in claim 9, wherein the mechanical coupling formations comprise curved tongues which extend in the elongate direction from each end of at least one of the mounting feet, the male tongue being curved in a first sense and the female tongue being curved in the opposite sense.11. Electrical cable capping as claimed in claim 9, wherein the male mechanical coupling formation comprises a tongue which extends in the elongate direction from one end of the elongate housing element and the female mechanical coupling formation comprises a complementary slot provided in the other end of the elongate Q housing element. (\J
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1008437.4A GB2480484B (en) | 2010-05-20 | 2010-05-20 | Electrical cable capping |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1008437.4A GB2480484B (en) | 2010-05-20 | 2010-05-20 | Electrical cable capping |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201008437D0 GB201008437D0 (en) | 2010-07-07 |
GB2480484A true GB2480484A (en) | 2011-11-23 |
GB2480484B GB2480484B (en) | 2012-06-20 |
Family
ID=42341061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1008437.4A Expired - Fee Related GB2480484B (en) | 2010-05-20 | 2010-05-20 | Electrical cable capping |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2480484B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130228368A1 (en) * | 2013-04-19 | 2013-09-05 | Tyco Electronics Raychem Bvba | Wall box and wall mounted plate with integrated ducts |
GB2514588A (en) * | 2013-05-30 | 2014-12-03 | Grove Metal Sections Ltd | An improved capping strip |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2434256A (en) * | 2006-01-13 | 2007-07-18 | Westmile Associates Ltd | Electrical cable conduit. |
GB2455549A (en) * | 2007-12-13 | 2009-06-17 | Novar Ed & S Ltd | Cable ducting |
-
2010
- 2010-05-20 GB GB1008437.4A patent/GB2480484B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2434256A (en) * | 2006-01-13 | 2007-07-18 | Westmile Associates Ltd | Electrical cable conduit. |
GB2455549A (en) * | 2007-12-13 | 2009-06-17 | Novar Ed & S Ltd | Cable ducting |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130228368A1 (en) * | 2013-04-19 | 2013-09-05 | Tyco Electronics Raychem Bvba | Wall box and wall mounted plate with integrated ducts |
GB2514588A (en) * | 2013-05-30 | 2014-12-03 | Grove Metal Sections Ltd | An improved capping strip |
GB2514588B (en) * | 2013-05-30 | 2017-04-26 | Grove Metal Sections Ltd | An improved capping strip |
Also Published As
Publication number | Publication date |
---|---|
GB201008437D0 (en) | 2010-07-07 |
GB2480484B (en) | 2012-06-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20230520 |