![]() The United States Defense Logistics Agency specifies several types of electrical clips in Commercial Item Description (CID) A-A-59466. to refine the design, with a later version patented in 1921. Several metal clip designs working on the same principle were patented in the early 20th century: a type of a crocodile clip cutting through the wire insulation was patented by Harry Frankel from New York in 1903, and another design was developed by Westinghouse Electric Corporation engineer George Brown Dusinberre, who patented it in 1909, and later was hired by Ralph S. 'jump leads') are capable of delivering hundreds of Amperes of current needed to directly power an automobile starter motor, or to transfer energy from a charged lead–acid battery to a discharged one. Large versions of these clips, called automotive clips or battery clamps, are made of solid copper for low electrical resistance, and are used with thick insulated copper cables to make connections between automobile batteries. Small versions, ranging in size from 15–40 mm (0.59–1.57 in) in length, are used in electrical laboratory work. The clip is typically covered by a plastic shroud or "boot" to prevent accidental short-circuits. When manufactured for electronics testing and evaluation, one jaw of the clip is typically permanently crimped or soldered to a wire, or is bent to form the inner tubular contact of a ~4 mm (0.16 in) female banana jack, enabling quick non-permanent connection between a circuit under test and laboratory equipment or to another electrical circuit. This enables 4-wire measurement of circuits with very low resistances. A Clothespin or Kelvin clip is a special form of crocodile clip whose jaws are insulated from each other, allowing two isolated wires to connect to a single test point. The clip's tapered, serrated jaws are forced together by a spring to grip an object. It is used to clamp and grab onto a bare electrical cable to a lead on a battery or some other electrical component. This simple mechanical device gets its name from the resemblance of its serrated jaws to the toothed jaws of a crocodile or alligator. This device is a variation of Dusinberre's original crocodile clip design Crocodile clips, also called automotive clips, on a set of jumper cables Three crocodile clips: a bare standard-sized clip a miniature clip in a yellow plastic boot a large red Square D multi-function clipĪ crocodile clip or alligator clip is a plier-like spring-tensioned metal clip with elongated, serrated jaws that is used for creating a temporary electrical connection. JSTOR ( May 2013) ( Learn how and when to remove this template message)Īlligator clip A crocodile clip manufactured by Mueller Electric.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. Vendor that we price match must have product available to purchase and not on backorder.This article needs additional citations for verification. If a product is listed below “MAP” we may not be able to match that price. ![]() ![]() Pricing match is based on competitor complying with Manufacturer’s Minimum Advertised Price (MAP) Policy. Cannot price match against auction sites. Valid on orders shipped within the continental United States. Offer is valid for 30 days from the date of purchase. If you find the same product for a lower price from any other company, we will refund/match the difference. Please see our Returns section for detailed information. In order to keep our prices the lowest possible, some exceptions apply, including a 20% restocking fee applied after 30 days and 30% restocking fee applied after 60 days, should the item be in a usable condition. If an item does not meet your expectations, we'll gladly refund your money within 30 days after purchase. Our aim is to provide you with quality products at an affordable price.
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