All Categories
History
This section provides an overview for connector covers as well as their applications and principles. Also, please take a look at the list of 7 connector cover manufacturers and their company rankings. Here are the top-ranked connector cover companies as of March, 2026: 1.Burlington Safety Laboratory, Inc., 2.Cembre Inc, 3.The Zippertubing Co..
Table of Contents
Categories Related to Connector Covers
A connector cover is an accessory used to protect the plug portion of a cable (male connector) and improve safety.
In addition to preventing the intrusion of foreign objects, they are also useful in terms of security by preventing accidental insertion and electrical contact. It is shaped for easy attachment and removal according to the shape of each connector.
The most common materials used are plastic-based ABS resin and polyethylene. A similar component is the connector cap.
Connector covers are used to prevent incorrect insertion, protect connector terminals, and provide security.
Connector covers cover the plug to prevent foreign objects such as dust and moisture from entering the connector.
Connector covers designed in specific shapes and colors prevent accidental insertion into the wrong connector.
Combining several connector covers of different colors can prevent incorrect wiring.
Connector covers with a lock function prevents unauthorized access and data leakage.
Fixing the connector part reduces the ease of cable disconnection and improves the stability of the connection.
The connector cover reduces stress on the connection between the cable and connector, contributing to longer service life.
Some connector covers have special shapes. For example, a type with a curved brim side creates a gap between the connector and the brim, making it easier to pull out the USB connector. Also, caps with wide brims make it difficult to see the metal surface of the connector.
Some USB connector covers have a feature that locks when inserted into the USB connector. This lock can only be released when a special extraction tool is used. This feature further reduces the risk of incorrect insertion or unauthorized access.
There are various types of connector covers, depending on the device and interface. The following are examples:
Connector covers are used to protect the plug portion (male connector) of a cable. On the other hand, connector caps are used to protect the female connectors on the equipment.
However, since they are often referred to without distinction, it is necessary to note which component is being addressed in context in writing and conversation.
*Including some distributors, etc.
Sort by Features
Sort by Area
Zippertubing Co., is a manufacturer of protective coverings and solutions for cable management, was established in 1957 in the United States. The company offers a range of products and services, including heat-shrink tubing, EMI shielding, and jacketing materials. They serve multiple industries, such as aerospace, automotive, and military. From under the sea to outer space, they have prototyped, built, and shipped custom-engineered solutions for every type of industry and application. They specialize in creating custom products in-house from beginning to end.
Burlington Safety Laboratory Inc. was founded in 1971 and is headquartered in Burlington, New Jersey with additional operations in both Northern and Southern California. The company is a developer and tester of safety equipment used in hazardous situations in the military, heavy manufacturing, electric wire handling, and marine repair industries. The company is credited to meet ASTM/ANSI, MIL Specs, and California OSHA standards of equipment safety. The company offers safety training, repair, and testing services. The company’s products include general safety equipment, and insulation equipment for electric wire maintenance.
CEMBRE USA has been based in Edison, New Jersey since 1999 and is a subsidiary of CEMBRE Group is based in Brescia, in northern Italy. CEMBRE serves markets such as railways, residential electrical systems, power production and transport, and industrial applications as a component and tool distributor. CEMBRE’s product list includes electrical connectors such as pre-insulated and uninsulated electrical connectors, other types of connectors, and flexible braids. Installation tooling and equipment offerings include, hydraulic and mechanical tools, as well as tools specific to the railway sector. Power equipment includes overhead distirbution equipment, metering equipment, overhead transmission lines and towers, and substations. Other products include office productivity equipment as well as cable and tube components.
PINGOOD ENTERPRISE CO., LTD., established in 1982 in Taiwan, is a manufacturer of plastic electronic mechanical products for clients worldwide. The company operates three factories located in Zhongli, Taiwan; Dongguan, China; and Suzhou, China. PINGOOD ENTERPRISE CO., LTD.'s products include bushings, plastic spacer supports, plastic LED hardware, and plastic cable management. Some of their latest products include LED light transporters and LED light hardware that meet RoHS and REACH standards with effective carbon and GHG emission verification.
Vijaya Sai Dip Moulding, established in 2008 in Hyderabad, India, is a manufacturer and exporter of terminal sleeves, wire harness sleeves, battery caps, and more. The company's product line includes protection and battery caps, battery terminal and connector covers, and insulating shrouds. The facilities include an R&D department and a product line with bulk production capacity. Supplying to many industries for various applications, the company exports to locations such as Malaysia, Dubai, Abu Dhabi, the Philippines, and Kenya.
Kitagawa Rubber Industries Co., Ltd., established in 1963 with headquarters in Japan, is a manufacturer and distributor of electronic components and equipment. The company’s products include EMC noise suppression components, thermal pad components, a plastic component series for holding PCBs, and plastic component ties. Kitagawa Rubber Industries is also involved in the technologies and services fields, providing components for the new energy products, biotechnology, industrial robots, semiconductors, and medical markets. The company has international offices located in the USA and China and also maintains ISO 9001 certification.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Burlington Safety Laboratory, Inc. |
28.6%
|
| 2 | Cembre Inc |
21.4%
|
| 3 | The Zippertubing Co. |
14.3%
|
| 4 | PINGOOD ENTERPRISE CO., LTD |
14.3%
|
| 5 | KITAGAWA INDUSTRIES CO., LTD. |
14.3%
|
| 6 | Vijaya Sai Dip Moulding |
7.1%
|
Derivation Method
The ranking is calculated based on the click share within the connector cover page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 42.9% |
|
Japan
|
2 | 28.6% |
|
Taiwan
|
1 | 14.3% |
|
India
|
1 | 14.3% |
73 products found
73 products
Avantech Co., Ltd.
280+ people viewing
Last viewed: 1 day ago
Tap Hold Lock (formerly Tap Tough Lock) can prevent plugs inserted into power strips used in various environments from being pulled out. The lock ...
Mitsubishi Electric Engineering Co., Ltd.
190+ people viewing
Last viewed: 1 day ago
■Product overview When distributed wiring of distributed type units is done using cables, one connector on the final unit will be left empty and th...
Oriental Motor Co., Ltd.
420+ people viewing
Last viewed: 1 day ago
A cover to protect the motor cable connector joint. ■Features -Easy to install by simply placing it over the connector connection part ・With lock...
Avantech Co., Ltd.
260+ people viewing
Last viewed: 1 day ago
AC Choylock is a locking member specifically designed to prevent power cables from coming off. It provides powerful support to prevent power cables...
Avantech Co., Ltd.
280+ people viewing
Last viewed: 1 day ago
DC Choylock is a device that prevents the car DC12V/24V plug from coming off. In recent years, there are many situations where smartphones, PCs, t...
Alp Systems Co., Ltd.
440+ people viewing
Last viewed: 11 hours ago
■Caps and other parts for each connector ・Cap for adapter ・Connector cap ・Cap for ferrule ・Falling prevention cap ・Stackable cap
Avantech Co., Ltd.
250+ people viewing
TAP (Tap) Choi-lock is a device dedicated to preventing the plug inserted into a table tap from coming off. In recent years, table taps have becom...
Takachi Electric Industry Co., Ltd.
360+ people viewing
This is a USB type A cover that is installed by drilling a hole in the housing. The insertion pin has a hinge structure, so even if the cover is re...
Marvel Co., Ltd.
230+ people viewing
■For protection of modular plug claws and LAN cables ① Cut the modular cover according to the cable outer diameter: Compatible with φ5.5, φ6.0, φ6....
2 models listed
Avantech Co., Ltd.
270+ people viewing
POT (Pot) Choi Lock is a fixing belt that prevents magnetic plugs such as thermal pots from falling off. It is useful in places where hot water is ...
Avantech Co., Ltd.
260+ people viewing
Last viewed: 1 day ago
IZA Choi-Lock is a locking member developed with the concept of ``safe use'' to prevent the cables of small plugs such as USB, notebook PCs, tablet...
Avantech Co., Ltd.
220+ people viewing
USB Memory Choi-Lock is a new device that can be attached to a commercially available USB memory and protects it from accidents caused by it being ...
Avantech Co., Ltd.
260+ people viewing
The Choi-Lock series was developed with the concept of being easy to install and locking a wide variety of plugs, from micro USB to AC100V plugs. ...
Avantech Co., Ltd.
270+ people viewing
Last viewed: 1 day ago
Side Hold Lock (formerly Side Tough Lock) can be used when you want to prevent the power cable from coming off, such as on a server/hub switch that...
Avantech Co., Ltd.
210+ people viewing
Last viewed: 8 hours ago
HDMI Hold Lock (formerly HDMI Tough Lock) is an HDMI plug prevention system. We reduce risks by preventing sudden plug-off accidents and protecting...
Avantech Co., Ltd.
240+ people viewing
Last viewed: 1 day ago
The hanging plate can be used either vertically or horizontally, making installation very easy. USB Hold Lock (formerly USB Tough Lock) UDA-U-01 is...
Avantech Co., Ltd.
220+ people viewing
AC Hold Lock-II (formerly AC Tough Lock-II) is a power plug prevention system. We reduce risks by preventing sudden plug-off accidents and protecti...
Avantech Co., Ltd.
220+ people viewing
By using the I/O lock/2-stopper AT-05-STP, you can lock the hook to prevent it from coming off the holder. There are situations where it is necess...
Avantech Co., Ltd.
220+ people viewing
I/O Lock 2 is a plug locking system used in monitors, tablets, smartphones, small devices, etc. It was designed with the concept that "anyone can e...
Avantech Co., Ltd.
250+ people viewing
I/O lock Pico is a safety product that prevents small cable plugs such as USB-TypeC, iPhone, and micro USB from becoming unplugged. In recent year...
Avantech Co., Ltd.
300+ people viewing
Last viewed: 1 day ago
HDMI cables are essential for audio equipment, TV monitors, game consoles, etc. Have you ever had the plug accidentally come off when using a cable...
Avantech Co., Ltd.
270+ people viewing
I/O Lock HDMI is a HDMI plug prevention system. We reduce risks by preventing sudden plug-off accidents and protecting data. It is smartly designe...
Takachi Electric Industry Co., Ltd.
410+ people viewing
A dustproof cover that protects the USB socket (USB female connector). It can be easily inserted by simply plugging it in. If you need to remove it...
Avantech Co., Ltd.
300+ people viewing
I/O lock AUK-01-01-H/Y/B is a USB plug prevention system. By firmly fixing the USB plug, you can prevent the accidental accident of the plug fallin...
Avantech Co., Ltd.
290+ people viewing
The I/O lock USB -AUJ series is a USB plug prevention system. By firmly fixing the USB plug, you can prevent the accidental accident of the plug fa...
Avantech Co., Ltd.
300+ people viewing
Last viewed: 20 hours ago
I/O Lock Server is a power plug prevention system. We reduce risks by preventing sudden plug-off accidents and protecting data. The I/O lock serve...
Avantech Co., Ltd.
220+ people viewing
Joint Hold Lock (formerly Joint Tough Lock) is a magic hook and cable tie that secures the neck of the cable, and can be used to lock most AC cable...
Avantech Co., Ltd.
210+ people viewing
The I/O Lock 2-Stick is used to release the I/O Lock 2-Stopper which further strengthens the fixation and prevents tampering. The stopper cannot be...
Avantech Co., Ltd.
330+ people viewing
Last viewed: 1 day ago
Unlike conventional I/O lock systems, I/O Lock Free is a system that allows you to freely lock any power plug without restricting the power plug. T...
Avantech Co., Ltd.
270+ people viewing
I/O Lock PS/2 is a disconnection prevention system exclusively for PS/2 plugs. It can be firmly fixed even in small spaces around the plug socket. ...
