Electricity: conductors and insulators – Insulators – Multiple insulator assemblies
Patent
1993-10-06
1996-05-21
Kincaid, Kristine L.
Electricity: conductors and insulators
Insulators
Multiple insulator assemblies
361627, 361658, 361735, H01B 1700
Patent
active
055191754
DESCRIPTION:
BRIEF SUMMARY
The invention relates to electrical distribution equipment and more particularly to electrical loadcentres and parts therefor.
It is an object of the invention to provide a loadcentre bus bar mounting assembly which: is easily variable in capacity; has a reduced number of separate parts; is easily assembled and has many enhanced safety features than heretofore.
According to the invention there is provided an electrical loadcentre bus bar mounting assembly comprising a plurality of juxtaposed synthetic plastics moulded members, each formed so as to interlock with each next adjacent member and each formed with a plurality of location lugs for engagement with apertures in a support member, in use.
Said plastics moulded members may include a first member comprising a single incoming base module formed to accommodate a neutral bus bar transversely in a channel thereacross and locating beneath portions projecting over one side of the channel.
The base module may be formed to accommodate up to four terminal bars connected to the neutral bus bar, secured to the base module and arranged to lock the neutral bus bar in position in said channel. The base module may be formed to accommodate and support terminal input ends of three longitudinally extending output bus bars within separate channels therefor. The base module may also be formed to accommodate and support a safety cover member to span intermediate portions of all of said terminal input ends of said output bus bars.
Said moulded plastics members may also include at least one pair of second and third members, the or each second member comprising a way module formed along one edge thereof with projection means for engaging with slot means formed along an abutting edge of the base module or of the corresponding opposed edge of a juxtaposed further way module and formed with three spaced apart channel portions extending between said opposed edges locating an output bus bar in each thereof, and the or each third member comprising a way barrier formed to locate over its corresponding way module so as to enclose the outgoing bus bars and formed with channels to accommodate separate output terminals for each of the output bus bars.
The channel portions for accommodating the output bus bars in the way module may each be formed with further channel portions therein located to be beneath the output terminal receiving channels of the way barrier. The or each way module may be formed with six solid cylindrical mounting portions each located between upstanding flanges for accommodating mounting of an electrical device to be connected to one of said output terminals. The or each way module may be formed with apertures therethrough which allow passage of location lugs formed on the corresponding way barrier for engagement with apertures in the support surface, in use.
A safety blanking device may be located over the or each way barrier to blank access to said output terminals and the safety blanking device may comprise a member of self-adhesive synthetic plastics material.
The plastics moulded members may include a fourth member comprising a capping member formed to locate with said opposed (free) edge of the way module most remote from the incoming base module.
The foregoing and further features of the invention may be more readily understood from the following description of a preferred embodiment thereof, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a plan view of an electrical loadcentre bus bar mounting assembly;
FIGS. 2, 2a and 2b are plan and opposed side elevation views respectively, of the incoming base module of FIG. 1;
FIGS. 3, 3a, and 3b are plan and opposed side elevational views respectively of a way module of FIG. 1;
FIGS. 4, 4a and 4b are plan and adjacent side elevational views respectively of a way barrier of FIG. 1;
FIG. 5 is a plan view of a safety blanking device for use with the way barrier of FIG. 4;
FIG. 6 is a plan view of a way barrier of FIG. 4 with a blanking device of FIG. 5 located thereon, and
FIGS. 7 and
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Golden Larry I.
Irfan Kareem M.
Kincaid Kristine L.
Sough Hyung S.
Square D Company
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