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Zinc Conduit Locknut is a type of fastener used in electrical installations to secure conduit fittings, such as connectors and couplings, to an electrical box or enclosure. Here are some key features of zinc conduit locknuts:

Material: Zinc conduit locknuts are typically made from zinc diecast, which provides a strong and durable connection while also offering corrosion resistance
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Finish: They often have a zinc electroplated finish, which enhances their corrosion resistance and gives them their characteristic appearance
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Application: These locknuts are designed to secure threaded conduit or connectors with tapered or straight threads to a knockout or unthreaded slip hole
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Safety: Zinc conduit locknuts are UL Listed as a fitting locknut and stand-alone rigid conduit locknut, ensuring they meet certain safety standards
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Construction: They feature a single cast thread to eliminate cross-threading, and they are symmetrical, allowing assembly from either side. The conical flange on either side enters the knockout, creating a 360° ground path
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Certifications: Many zinc conduit locknuts are compliant with various standards such as UL Standard 514B, CSA Standard C22.2 No. 18.3, and NEMA FB-1
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Sizes: They are available in a range of sizes to fit different conduit sizes, typically from ½ inch to 4 inches
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Use: They are commonly used in both indoor and outdoor applications where EMT conduit is used and are suitable for securing conduit connections in dry locations
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Zinc conduit locknuts provide a reliable and secure method of fastening conduit fittings and are an essential component in electrical construction for maintaining a safe and efficient conduit system.