10 Connector Cap Manufacturers in 2023
This section provides an overview for connector caps as well as their applications and principles. Also, please take a look at the list of 10 connector cap manufacturers and their company rankings.
Table of Contents
What Is a Connector Cap?
A connector cap is an accessory that protects the female (receptacle) end of a connector to prevent foreign objects from entering and damaging the connector.
They come in a variety of shapes and sizes, and contribute to data security and virus prevention. A connector cover, on the other hand, is used to protect the male part of a connector (the plug of a cable).
Both are utilized to protect different parts of the connector. It is important to note that they are used for different purposes and target different connector parts. Understanding these differences and selecting the appropriate protective accessory will extend the life of the connector and improve safety.
Uses of Connector Caps
The primary uses of connector caps are to prevent incorrect insertion, protect connector terminals, and provide security. In addition, they are used for the following purposes:
1. Prevention of Foreign Object Intrusion
Caps for connecting parts protect the mating part of connectors, and caps for connecting parts protect the part where wires are connected. These caps are placed on unused connectors to prevent dust and foreign matter from entering the coupling area. They also serve to prevent accidental contact with energized parts.
2. Prevention of Incorrect Insertion
Connector caps are a simple way to reduce the risk of accidental insertion of USB memory sticks and other devices.
3. Security Measures
Used for the purpose of preventing data leakage and virus infection.
4. As an Accessory
Connector caps may be used not only to protect connectors but also as accessories for smartphones, tablets, laptops, etc. They can be connected to the USB type or audio jack type compatible with each device to express individuality and taste. They are also often appreciated as gifts and presents.
Types of Connector Caps
There are two types of connector caps: one for the connection and the other for the wiring. There are also various types depending on the device and interface. The following are some examples:
- For PCs
- For PDA
- For USB-A type
- For USB-B type
- For network LAN modular jack connector
- For mobile devices
- For card readers
- For smart device equipment
- For micro-type, small USB devices
- For handy USB devices
- For memory card readers
- For telephone modular jack connectors
- For VGA and DVI connectors for digital video equipment
Structure of Connector Caps
Connector caps are generally shaped to be inserted into connectors. Recently, however, a sliding type cover that is integrated with the device has been proposed.
This cover is integrated into the device itself and can be easily opened and closed as needed while protecting the connector's terminal area. By utilizing the sliding function, the cover is out of the way, facilitating the use of the connector.
In addition, because the cover is integrated into the device itself, there is no need to worry about removing or losing it, providing adequate protection at all times. Such connector covers are very useful for improving the durability and reliability of electronic equipment. The patent highlights their applicability to a wide variety of electronic devices and is expected to find a broad market.
Other Information on Connector Caps
Differences From Connector Covers
Connector caps are used to protect the female connectors of devices. Connector covers, on the other hand, are used to protect the plug portion (male connector) of a cable.
However, since they are often referred to interchangeably, it is important to note which component is being addressed in context, in written and spoken language.
List of 10 Connector Cap Manufacturers
*Including some distributors, etc.
Sort by Features
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- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- United States of America
- India
- United Kingdom
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Polymer Molding, Inc.
Connector Caps
Manufacturer Overview
Polymer Molding, Inc. is a manufacturer of plastics products, plastic protective caps, plugs and custom moldings. The company is located at Pennsylvania, USA and founded in 1978. The company offers plugs, caps, high-temp masking, vinyl, cable ties, netting, and tubing inserts. These types of products are usually disposable and are commonly used to protect threaded fittings, tubing, and valves and in many other applications where contamination or shipping damage needs to be avoided. In 1989, the company introduced its proprietary line of protective products and has grown to one of the great producers of these types of commodities.
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Lokring Technology
Connector Caps
Manufacturer Overview
LOKRING Technology is headquartered in Willoughby, Ohio as an ISO 9001:2015-certified manufacturer of offload and gas connection components. The company serves numerous industries including medical devices, railroads, pipelines, and marine industries across the globe. The company’s products include adapters, caps, couplings, elbows, unions, and other connectors according to the needs of each market. The company utilizes an external distribution network for customers while also providing design guides, installation services, and installation tools.
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Viega USA
Connector Caps
Manufacturer Overview
Viega has a history of over 120 years and is based in Broomfield, Colorado. Viega is a developer and producer of hardware and industrial tools and pipe fitting technology. Viega’s equipment specializes in materials such as copper, stainless, polymer, lead bronze, and cupronickel. Some of Viega’s product listings include elbows, tees, adapters, flanges, caps, unions, couplings, reducers, branch connectors, tubing, manifolds, stub-outs, closet adapters, outlet boxes, press sleeves, closet risers, ballcock nuts, fasteners, sealing elements and gaskets.
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StockCap
Connector Caps
Manufacturer Overview
StockCap was founded in 1950 and is headquartered in Arnold, Missouri as a division of Sinclair & Rush, Inc. The company is an ISO 9001:2015 certified custom designer and manufacturer of parts for the automotive, finishing, and HVAC markets. The company produces several types of products including caps, plugs, tapes, and others, using materials such as vinyl, rubber, and plastic. The company’s custom capabilities include plastic injection molding, vinyl dip and rubber molding, extrusions, thermoforming, and finishing operations.
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Monroe Aerospace (ECAS)
Connector Caps
Distributor Overview
Monroe Aerospace (ECAS) is headquartered in Melbourne, Florida with a history dating back to the 1920s. Monroe Aerospace is an ISO 9001:2015 and AS9100D certified industrial manufacturing company. Monroe Aerospace serves many vertical markets including aerospace/defense automotive, medical, and transportation. Monroe Aerospace’s product offerings include bolts, screws, cherry rivets, clamps, clevis pins, clients, DZUS products, electrical components, collars, hinges, Huck bolts, Jo bolts, lock washers, nut plates, rivets, quarter turn fasteners, sheet metal screws, and washers.
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ABB Electrification Canada ULC
Connector Caps
Manufacturer Overview
ABB Electrification Canada is a subsidiary of industrial giant, ABB. ABB Electrification serves the data center solutions, oil, gas & chemicals, food & beverage, railway, infrastructure, and microgrids industries with solutions such as smart industry, E-mobility, smart living, smart power, smart cities, and smart distribution. Products include control systems, power electronics, UPS and power conditioning, industrial software, PLPC automation, robotics, power converters and inverters, medium voltage products, metallurgy products, control room solutions, and motors and generators.
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The National Die Co.
Connector Caps
Manufacturer Overview
The National Die Co., founded in 1945, is a manufacturer and supplier of deep-draw metal stampings and parts such as cans and caps, enclosures, fasteners, nozzles and pins, tubes and cups, and exotic metals. The products are used in the fields of communications, power tools, automotive, fuel supply, and fire protection. The Wolcott, Connecticut-based company is ISO 9001:2015 certified and offers finishing and forming operations such as beading, dimpling, embossing, multi-side piercing, and set drawing.
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Latrobe Foundry Machine & Supply Co.
Connector Caps
Manufacturer Overview
Latrobe Foundry Machine & Supply Co. (LFMS) is an American manufacturer of aluminum pipe fittings established in 1933 and based in Whitney, Pennsylvania. The company produces various aluminum pipe fittings including butt weld, flanged, and threaded models, as well as flanges, socket weld couplings, and nipples. They also offer custom casting and 3D printing services, as well as in-house machining for client projects. LFMS products are primarily used by clients in construction and agriculture, as well as by companies in the marine and chemical industries.
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Jetronics, India
Connector cap
Company Overview
Jetronics India is a manufacturer and exporter of MS connectors and MIL C 5015 grade electrical connectors. Guided by Mr. Anil Bangia, their partnership firm has delivered quality products for over two decades. From corrosion resistance to high current capacity, their connectors serve industries like the Military, Aerospace, and Telecommunication. Crafted from lightweight aluminum alloy, their connectors are corrosion-proof and resilient. With a range spanning lighting to transportation, Jetronics India caters to diverse applications across global markets.
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Essentra plc
Connector Caps
Company Overview
Essentra Components is a producer of plastic injection moulded, vinyl dip moulded, and metal components, operating in 29 countries across 4 continents. Essentra Component has a catalog of over 45,000 products. These range from caps, plugs, wire & cable management, flange protection, knobs, handles & grips, access hardware, PCB, and electronics hardware. Essentra Component offers free samples of CADs of standard parts for assist customers in creating custom-manufacture red solutions, including prototyping and 3D printing.
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Connector Cap Manufacturer Ranking
*Including some distributors, etc.Number of Employees
Newly Established Company
- Jetronics, India: 1985 (38 years ago)
- Polymer Molding, Inc.: 1978 (45 years ago)
- Latrobe Foundry Machine & Supply Co.: 1933 (90 years ago)
Company with a History
- Latrobe Foundry Machine & Supply Co.: 1933 (90 years ago)
- Polymer Molding, Inc.: 1978 (45 years ago)
- Jetronics, India: 1985 (38 years ago)
