{"id":7475,"date":"2025-10-25T12:39:32","date_gmt":"2025-10-25T12:39:32","guid":{"rendered":"https:\/\/www.raxpower.com\/?page_id=7475"},"modified":"2026-08-12T04:14:27","modified_gmt":"2026-08-12T04:14:27","slug":"%d9%88%d8%b5%d9%84%d8%a9-%d8%b9%d9%84%d9%88%d9%8a%d8%a9-%d9%84%d9%84%d8%b9%d8%a7%d8%b2%d9%84","status":"publish","type":"page","link":"https:\/\/www.raxpower.com\/ar\/formed-wire\/insulator-top-tie\/","title":{"rendered":"\u0631\u0627\u0628\u0637\u0629 \u0639\u0644\u0648\u064a\u0629 \u0644\u0639\u0627\u0632\u0644"},"content":{"rendered":"
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Insulator Top Tie<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>
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The Insulator Top Tie secures covered conductors to the top groove of pin insulators in overhead power line systems, providing uniform resistive contact and enhanced line stability. This preformed helical component bundles conductors while protecting against abrasion and vibration.<\/p>\n

The tie typically uses aluminum or aluminum-clad steel for mechanical strength, combined with an elastomer or Polyvinyl Chloride (PVC) pad that insulates and cushions the conductor. An identification tag specifies catalog number, neck size, and conductor diameter range, while color codes enable quick recognition of conductor and insulator dimensions.<\/p>\n

Technical specifications address mechanical and impact strength to withstand conductor weight and external forces. Rated voltage aligns with transmission line requirements, while American National Standards Institute (ANSI) classifications define neck diameter and groove contours. Sizes accommodate conductor diameters up to 1.240 inches, with lengths ranging from approximately 28 to 40 inches depending on the model.<\/p>\n

The preformed design enables easy installation without manual tying and provides double support at critical locations such as road crossings and line angles. Rebound resilience helps conductors return to position after minor displacements, while decreasing shimmy and offering superior Radio Interference Voltage (RIV) characteristics compared to hand-tied alternatives. Applications include securing bare or plastic-jacketed conductors in Aluminum Conductor Steel Reinforced (ACSR), All Aluminum Conductor (AAC), and All Aluminum Alloy Conductor (AAAC) configurations, particularly in environments with unbalanced loading, line angles up to 10 degrees, or areas prone to vibration.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>