Abstract: An electrical ground connector assembly for providing a fast, secure, moisture-resistant ground connection without using special tools. The electrical ground connector assembly includes a ground rod and a cap having an tapered rod chamber for receiving the ground rod. The cap also includes a slot for receiving a ground wire. The angle of the slot may vary, depending on the diameter of the ground wire. The cap may be cylindrical or rectangular in shape. In installation, the ground wire is inserted into the slot of the cap. The upper end of the ground rod is forced into the rod cavity of the cap by any suitable manner, such as hammering the cap down over the ground rod. As the upper end of the ground rod reaches the end of the rod cavity, a compression contact is made between the wire and said ground rod. Alternatively, the ground rod can first be driven into the ground, and then the ground wire and the cap can be assembled on the ground rod.

Abstract: A cable clip for attaching a cable to a support using a plastic housing having a bottom cable receiving channel and a bore extending therethrough and a metallic surface penetrating fastening device having a stem portion, part of which is located in the bore and an integral arm portion projecting outwardly therefrom so that, when the stem portion is driven into the support, portions of the arm portion will be superposed over portions of the top and front surfaces of the plastic housing to provide reinforcement.

Abstract: A basepan for an electric load center having a surface with integrally formed posts with an undercut extending around its periphery for securing a component of the load center to the surface by heat staking.

Abstract: A printed substrate having a structure to prevent breakage of the printed substrate by distributing stress which acts on a border of reinforcement patterns provided in the substrate. The printed substrate includes multiple layer conductive patterns, through-holes which pass through the conductive patterns and the printed substrate, and reinforcement patterns formed around the perimeters of the through-holes in the multiple layers of the printed substrate. The sizes and/or shapes of the reinforcement patterns in each layer differ such that stress acting on the border of the reinforcement pattern is distributed.

Abstract: A load insulator 2, for interposition into a loaded line, comprises a plurality of mechanical links 4 connected together to form a chain, and an electrical insulator 8 arranged between a pair of adjacent interlocked links 10,12 in the form of an insert of insulative material to electrically isolate the links 10,12 of the pair from each other. A load sensing device may be provided for sensing the strain on the mechanical link. A measuring device 24 for measuring the resistance of the insulator 8 is provided to check the electrical condition of the load insulator, whilst a recording and indicating device allows for recording of electrical strikes and provide a lifetime expiry indicator.

Abstract: A cable stacking member and positioning device comprising a support member having a plurality of elongated slots stacked on a base plate for retaining electrical cables or wires. The member is formed of a plastic material and has a provision for securing and positioning the cable stacking member to a framing member.

Abstract: The insulative support bracket of a surge arrester includes a concentric annular concavity formed at one or both ends of a bolt hole. A washer, when pressed concentrically to the concavity, contacts the insulative bracket only, at least initially, at surfaces adjacent the outer diameter of the washer. An annular convexity, surrounding the concavity, will mate with the central portion of an external tooth lockwasher to prevent the full penetration of the teeth of the lockwasher into the insulative bracket. The ability of the insulative bracket to withstand the mechanical forces tansmitted to the insulative bracket by the washers is thereby enhanced. The concavity may be formed either in a surface of the insulative bracket or in a surface of the washer.

Abstract: An insulator for an electric fence comprising a separate clip part and a base support for connecting a woven wire electric conductor to a variety of fence posts. The clip part snap fits over a fiberglass fence post with the electric conductor retained therebetween. To connect the electric conductor to either a metal or wood fence post the base is first secured to the post either by bands or by nails. The clip part is then snap fitted over the base with the electric conductor retained therebetween.

Abstract: An electric fence wire insulator is formed as an integral, one-piece body of non-conductive synthetic resin and includes a transverse spark shield from which extends in one direction a pair of laterally spaced main legs terminating in a pair of laterally spaced feet configured to abut the arcuate or flat surface of a wooden or metal fence post. Openings through the feet receive nails or screws by which to secure the feet to the fence post. Projecting in the opposite direction from the spark shield are five laterally spaced fingers provided with inwardly facing arcuate grooves which are aligned transversely for the reception of an electric fence wire. Laterally spaced secondary legs inwardly of the main legs are shaped to provide two pairs of split circular retainers of different diameters for the frictional retention of different size rod type fence posts.

Abstract: This invention relates to a block member adapted to secure a cable or wire to a support surface. The block member has a pair of cylindroconical bores with each being adapted to receive a pointed pin therethrough. Each pin has a frustoconical end with an included angle which is less than the included angle of the frustoconical portion of the cylindroconical bore. Around the open end of each bore is an impact absorbing ring. The ring is of the same material as the block member and is adapted to substantially absorb the excess energy that the tool used to drive the pins may contain by crushing on impact. The block member has each bore disposed within a freely depending sleeve to permit the axis of the pin and bore to shift, to a point where the axes could move to thereby permit the pointed end of the pin to avoid a substantially impenetrable object.

Abstract: A one-piece plastic pipe clip has one or more pipe-receiving portions, one wall of which is provided by a rockable element which overlies a stud-receiving hole in the clip body so that the element will close over a pipe and secure it when the clip is assembled on a projecting stud. The elements may have staggered teeth to engage a screw thread on the stud and resilient feet to engage the surface from which the stud projects.

Abstract: A pipe clip is provided having means for retaining the clip on a stud. Means for retaining a pipe on the clips comprises a flexible finger which embraces the pipe, and the means for retaining the clip on a stud includes a locking portion which is movable from a position allowing the finger to flex for admission of the pipe to a position in which it locks the finger in embracing engagement with the stud and firmly secures the clip to the stud.

Abstract: A fastener clip for detachably securing functional elements to a support plate through threaded pins rigidly joined to the plate which includes holding members forming channels which receive the functional components and a fastening hole between the channels and adapted to receive the threaded fastener. The fastening hole has an inside diameter slightly less than the outside diameter of the pin and is interrupted by a plurality of apertures extending through opposite side walls of the clip between the channels. Semi-circular wall portions at the end of each aperture define the fastening hole and elastically yield when the clip is forced on the threaded pin.

Abstract: An electric fence wire mounting structure for supporting a highly tensioned and electrically charged wire from a wooden fence post at either a corner or at the end of a line of fencing which includes a strap of electrically non-conductive material and an elongated metal retainer which are held in engagement with each other and are bendable as a unit to engage the surface of a cylindrical fence post. The mounting structure is fastened to the post by metal fasteners such as nails spaced from the metal strap.

Abstract: An electric insulator for guiding and supporting an electric fence wire. The insulator comprises an elongated body of electrical insulating material and has a mounting means located at one end of the body for mounting the body upon a fence post in an outwardly projecting manner. An upright abutment member is fixed on the opposite end of said body and carries retainer tab means. The tab means project from said abutment in a direction generally toward the mounting means.

Abstract: A tube hanger for supporting a tube and the like from a mounting surface comprises a unitary body of elastomeric material having a base of generally rectangular shape with resilient arms extending outwardly of the base and arcing to converge in opposed relation. The arms have respective spaced tip ends whereby a partially enclosed cavity sized for receipt of a tube is defined in coordination with the base which has a lateral entrance thereinto between the tip ends for receiving and retaining the tube within the cavity. A plurality of lugs extend radially inward from the arms and are arranged around the cavity for compressibly gripping a tube within the hanger cavity. A notch or opening is formed within the base at an intermediate portion thereof at the root junction of the arms and divides the base into first and second base portions, the notch or opening being open to the hanger cavity.

Abstract: A versatile standoff insulator for mounting on chain link fences and elsewhere is comprised of first and second shaped insulating members having grooves or passageways between the insulating members for mounting to the links of the fence or other object. The same structure may be mounted directly onto surfaces by conventional fastening means such as nails and screws. The standoff element is provided with a grommet to prevent the wire from wearing and breaking at the suspension points.

Abstract: A block member having a pair of pins preassembled therein and including a recess in its bottommost, workpiece engaging surface. The recess is configured to accept a wire member and incorporates means to preassemble the clip to the wire prior to association with a work surface. The recess further includes a protuberance serving as a strain relief feature when the device and wire are clamped against the work surface.

Abstract: A shell-like all plastic insulator has an angled surface formed with a flat boss having a nail hole extending therethrough so that a nail can be driven into a wooden post in order to securely attach the insulator thereto, the boss having a width such that the nail can later be pulled out with a claw hammer and the insulator re-used. Rearwardly spaced ribs act as cleats against the post to prevent the insulator from rotating about the nail. Jaws or hooks for holding the electric fence wire project forwardly and are at a location such that the weight of the wire does not tend to pull out the nail.

Abstract: A clamp (10) is particularly adapted for use on a construction vehicle for clamping one or more battery cables (11) thereon. The clamp (10) permits longitudinal adjustment of the cables (11) while yet limiting the degree of compression imparted thereto to prevent shredding of the electrical insulation (13) thereof. The clamp (10) comprises a support (14) and a clamping member (21) having an elastomeric pad (15) compressed therebetween and a stop (25) for limiting the degree of compression imparted to the pad (15).