Overview
Combination Grounding Screws are specialized fasteners used primarily in electrical and grounding applications. They are designed to securely connect grounding wires to electrical equipment, enclosures, or panels, ensuring a reliable electrical ground connection. The term "combination" often refers to the fact that these screws are compatible with multiple types of drivers or tools, such as flathead or Phillips screwdrivers.
Description
Combination grounding screws are typically made from durable materials like brass, steel, or stainless steel, and they feature a threaded body that allows them to be securely fastened into a pre-drilled hole. The 10-32 designation refers to the screw's thread size: #10 (which denotes the diameter) and 32 threads per inch (which denotes the pitch).
Specification
- Thread Size: 10-32
- Material: Commonly brass, steel, or stainless steel
- Head Type: Usually designed to accommodate both flathead and Phillips screwdrivers
- Length: Varies depending on application needs, but typically ranges from 1/4 inch to 1 inch
- Finish: Often comes with a plated or coated finish to resist corrosion
- Compliance: May meet specific standards or codes depending on the application, such as UL (Underwriters Laboratories) or NEC (National Electrical Code)
Cases and Uses
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Electrical Panels and Enclosures: Grounding screws are used to attach grounding wires to metal electrical panels or enclosures, ensuring that the entire assembly is properly grounded for safety.
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Circuit Breakers: They can be used to connect ground wires to circuit breakers within an electrical panel.
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Light Fixtures: In some installations, grounding screws are used to secure ground wires to light fixtures, providing a path to ground in case of electrical faults.
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Electrical Outlets: Grounding screws are used to connect the grounding conductor in electrical outlets, ensuring a proper ground connection.
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Automotive Applications: They may also be used in automotive or machinery settings where grounding of electrical components is necessary.
Item Features
- Versatile Driver Compatibility: The combination head allows the use of both flathead and Phillips screwdrivers, making them versatile and easy to install.
- Durable Construction: Made from high-quality materials to ensure long-lasting performance and resistance to environmental factors.
- Corrosion Resistance: Many are coated or plated to resist rust and corrosion, extending their lifespan in various conditions.
- Secure Connection: The precise threading and material quality ensure a strong, reliable connection that minimizes the risk of grounding issues.
- Standardized Size: The 10-32 thread size is a common standard that fits a wide range of applications and components.
These screws play a crucial role in maintaining electrical safety and ensuring that equipment operates correctly by providing a reliable grounding connection.