{"id":1574,"date":"2025-10-19T12:59:12","date_gmt":"2025-10-19T09:29:12","guid":{"rendered":"https:\/\/novanirco.com\/?post_type=product&#038;p=1574"},"modified":"2025-12-10T17:33:42","modified_gmt":"2025-12-10T14:03:42","slug":"twenty-pair-shielded-underground-60-0-ccam","status":"publish","type":"product","link":"https:\/\/novanirco.com\/en\/product\/twenty-pair-shielded-underground-60-0-ccam\/","title":{"rendered":"Twenty-Pair Shielded Underground (60\/0 CCAM)"},"content":{"rendered":"<p data-start=\"0\" data-end=\"24\"><strong data-start=\"0\" data-end=\"24\">1. Technical Section<\/strong><\/p>\n<p data-start=\"26\" data-end=\"291\"><strong data-start=\"26\" data-end=\"43\">Product Name:<\/strong> \u201cNoan\u2011G20F\u201d Underground Telephone Cable<br data-start=\"83\" data-end=\"86\" \/><strong data-start=\"86\" data-end=\"102\">Application:<\/strong> Underground telephone lines with twenty simultaneous pairs, suitable for underground routes, ducts, and indoor environments requiring protection against noise and environmental conditions.<\/p>\n<p data-start=\"293\" data-end=\"315\"><strong data-start=\"293\" data-end=\"315\">Internal Structure<\/strong><\/p>\n<ul data-start=\"317\" data-end=\"901\">\n<li data-start=\"317\" data-end=\"406\">\n<p data-start=\"319\" data-end=\"406\"><strong data-start=\"319\" data-end=\"333\">Conductor:<\/strong> CCAM (Copper\u2011Clad Aluminum) with 60\/0 structure (60 very fine strands)<\/p>\n<\/li>\n<li data-start=\"407\" data-end=\"505\">\n<p data-start=\"409\" data-end=\"505\"><strong data-start=\"409\" data-end=\"438\">Effective conductor area:<\/strong> Designed per project requirements (e.g., ~0.13 mm\u00b2 or ~0.17 mm\u00b2)<\/p>\n<\/li>\n<li data-start=\"506\" data-end=\"550\">\n<p data-start=\"508\" data-end=\"550\"><strong data-start=\"508\" data-end=\"527\">Pair structure:<\/strong> Twenty twisted pairs<\/p>\n<\/li>\n<li data-start=\"551\" data-end=\"645\">\n<p data-start=\"553\" data-end=\"645\"><strong data-start=\"553\" data-end=\"564\">Shield:<\/strong> Laminated aluminum foil longitudinally wrapped around the core (100% coverage)<\/p>\n<\/li>\n<li data-start=\"646\" data-end=\"747\">\n<p data-start=\"648\" data-end=\"747\"><strong data-start=\"648\" data-end=\"663\">Drain Wire:<\/strong> Auxiliary conductor (copper or tinned copper) for connecting the shield to ground<\/p>\n<\/li>\n<li data-start=\"748\" data-end=\"820\">\n<p data-start=\"750\" data-end=\"820\"><strong data-start=\"750\" data-end=\"779\">Insulation per conductor:<\/strong> PVC or PE suitable for underground use<\/p>\n<\/li>\n<li data-start=\"821\" data-end=\"901\">\n<p data-start=\"823\" data-end=\"901\"><strong data-start=\"823\" data-end=\"840\">Outer Jacket:<\/strong> UV-resistant PVC or a combination for outdoor installation<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"903\" data-end=\"948\"><strong data-start=\"903\" data-end=\"948\">Electrical and Performance Specifications<\/strong><\/p>\n<ul data-start=\"950\" data-end=\"1534\">\n<li data-start=\"950\" data-end=\"1058\">\n<p data-start=\"952\" data-end=\"1058\"><strong data-start=\"952\" data-end=\"975\">Conductor diameter:<\/strong> Based on reference \u201c20-pair\u201d cable examples, approximately 0.60 mm per conductor<\/p>\n<\/li>\n<li data-start=\"1059\" data-end=\"1161\">\n<p data-start=\"1061\" data-end=\"1161\"><strong data-start=\"1061\" data-end=\"1101\">Conductor resistance at 20\u202f\u00b0C (max):<\/strong> \u2264 186 \u03a9\/km for ~0.60 mm conductor (per 20-pair reference)<\/p>\n<\/li>\n<li data-start=\"1162\" data-end=\"1211\">\n<p data-start=\"1164\" data-end=\"1211\"><strong data-start=\"1164\" data-end=\"1196\">Insulation resistance (min):<\/strong> \u2265 5000 M\u03a9\u00b7km<\/p>\n<\/li>\n<li data-start=\"1212\" data-end=\"1289\">\n<p data-start=\"1214\" data-end=\"1289\"><strong data-start=\"1214\" data-end=\"1231\">Test voltage:<\/strong> AC 1500 V (1 min) \/ DC 2250 V (1 min) without breakdown<\/p>\n<\/li>\n<li data-start=\"1290\" data-end=\"1337\">\n<p data-start=\"1292\" data-end=\"1337\"><strong data-start=\"1292\" data-end=\"1318\">Operating temperature:<\/strong> \u201120\u202f\u00b0C to +60\u202f\u00b0C<\/p>\n<\/li>\n<li data-start=\"1338\" data-end=\"1440\">\n<p data-start=\"1340\" data-end=\"1440\"><strong data-start=\"1340\" data-end=\"1370\">Capacitance and impedance:<\/strong> Twisted pair design reduces crosstalk and pair-to-pair interference<\/p>\n<\/li>\n<li data-start=\"1441\" data-end=\"1534\">\n<p data-start=\"1443\" data-end=\"1534\"><strong data-start=\"1443\" data-end=\"1470\">Minimum bending radius:<\/strong> 10\u00d7 overall cable diameter (or per manufacturer instructions)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1536\" data-end=\"1574\"><strong data-start=\"1536\" data-end=\"1574\">Installation and Maintenance Notes<\/strong><\/p>\n<ul data-start=\"1576\" data-end=\"1902\">\n<li data-start=\"1576\" data-end=\"1630\">\n<p data-start=\"1578\" data-end=\"1630\">Install in ducts, underground, or protected routes<\/p>\n<\/li>\n<li data-start=\"1631\" data-end=\"1702\">\n<p data-start=\"1633\" data-end=\"1702\">Protect passages through obstacles with clips or protective sleeves<\/p>\n<\/li>\n<li data-start=\"1703\" data-end=\"1773\">\n<p data-start=\"1705\" data-end=\"1773\">Connect shield to ground at a single point for optimal performance<\/p>\n<\/li>\n<li data-start=\"1774\" data-end=\"1822\">\n<p data-start=\"1776\" data-end=\"1822\">Observe bending radius and avoid sharp bends<\/p>\n<\/li>\n<li data-start=\"1823\" data-end=\"1902\">\n<p data-start=\"1825\" data-end=\"1902\">Perform insulation resistance and line performance tests after installation<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1904\" data-end=\"1907\" \/>\n<p data-start=\"1909\" data-end=\"1931\"><strong data-start=\"1909\" data-end=\"1931\">2. Content Section<\/strong><\/p>\n<p data-start=\"1933\" data-end=\"1995\"><strong data-start=\"1933\" data-end=\"1995\">Noan\u2011G20F Twenty-Pair Shielded Underground Telephone Cable<\/strong><\/p>\n<p data-start=\"1997\" data-end=\"2630\">Noavaran Niroye Paytakht is proud to offer the \u201cNoan\u2011G20F\u201d cable; this twenty-pair underground telephone cable with full foil shielding is designed for indoor and underground environments needing simultaneous transmission of multiple telephone lines. The lightweight CCAM conductor with 60\/0 strand structure, combined with proper insulation and aluminum shielding, provides high performance against environmental interference. The \u201cNoan\u2011G20F\u201d cable is ideal for urban or intercity projects requiring multiple telephone lines in a single underground route, offering environmental durability, stable signals, and reliable performance.<\/p>\n<p data-start=\"2632\" data-end=\"2648\"><strong data-start=\"2632\" data-end=\"2648\">Key Features<\/strong><\/p>\n<ul data-start=\"2650\" data-end=\"2913\">\n<li data-start=\"2650\" data-end=\"2674\">\n<p data-start=\"2652\" data-end=\"2674\">Twenty twisted pairs<\/p>\n<\/li>\n<li data-start=\"2675\" data-end=\"2711\">\n<p data-start=\"2677\" data-end=\"2711\">Full foil shield around the core<\/p>\n<\/li>\n<li data-start=\"2712\" data-end=\"2769\">\n<p data-start=\"2714\" data-end=\"2769\">Lightweight CCAM conductor with 60\/0 strand structure<\/p>\n<\/li>\n<li data-start=\"2770\" data-end=\"2827\">\n<p data-start=\"2772\" data-end=\"2827\">Robust design for indoor and underground installation<\/p>\n<\/li>\n<li data-start=\"2828\" data-end=\"2858\">\n<p data-start=\"2830\" data-end=\"2858\">High insulation resistance<\/p>\n<\/li>\n<li data-start=\"2859\" data-end=\"2913\">\n<p data-start=\"2861\" data-end=\"2913\">Optimal performance under environmental conditions<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2915\" data-end=\"2918\" \/>\n<p data-start=\"2920\" data-end=\"2978\"><strong data-start=\"2920\" data-end=\"2978\">3. Description, Applications, and Comparative Analysis<\/strong><\/p>\n<p data-start=\"2980\" data-end=\"3005\"><strong data-start=\"2980\" data-end=\"3005\">Suitable Applications<\/strong><\/p>\n<ul data-start=\"3007\" data-end=\"3252\">\n<li data-start=\"3007\" data-end=\"3066\">\n<p data-start=\"3009\" data-end=\"3066\">Underground telephone lines with a high number of pairs<\/p>\n<\/li>\n<li data-start=\"3067\" data-end=\"3125\">\n<p data-start=\"3069\" data-end=\"3125\">Underground or in-structure routes in telecom projects<\/p>\n<\/li>\n<li data-start=\"3126\" data-end=\"3184\">\n<p data-start=\"3128\" data-end=\"3184\">Areas with high electromagnetic interference potential<\/p>\n<\/li>\n<li data-start=\"3185\" data-end=\"3252\">\n<p data-start=\"3187\" data-end=\"3252\">Urban or rural areas requiring multiple lines in a single route<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3254\" data-end=\"3268\"><strong data-start=\"3254\" data-end=\"3268\">Advantages<\/strong><\/p>\n<ul data-start=\"3270\" data-end=\"3525\">\n<li data-start=\"3270\" data-end=\"3341\">\n<p data-start=\"3272\" data-end=\"3341\">Simultaneous transmission of multiple lines without separate cables<\/p>\n<\/li>\n<li data-start=\"3342\" data-end=\"3391\">\n<p data-start=\"3344\" data-end=\"3391\">Effective noise protection due to foil shield<\/p>\n<\/li>\n<li data-start=\"3392\" data-end=\"3461\">\n<p data-start=\"3394\" data-end=\"3461\">Reduced installation cost using a single cable for multiple pairs<\/p>\n<\/li>\n<li data-start=\"3462\" data-end=\"3525\">\n<p data-start=\"3464\" data-end=\"3525\">Lighter weight and lower cost compared to all-copper cables<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3527\" data-end=\"3544\"><strong data-start=\"3527\" data-end=\"3544\">Disadvantages<\/strong><\/p>\n<ul data-start=\"3546\" data-end=\"3785\">\n<li data-start=\"3546\" data-end=\"3607\">\n<p data-start=\"3548\" data-end=\"3607\">Higher conductor resistance compared to all-copper cables<\/p>\n<\/li>\n<li data-start=\"3608\" data-end=\"3665\">\n<p data-start=\"3610\" data-end=\"3665\">Shield performance decreases if not properly grounded<\/p>\n<\/li>\n<li data-start=\"3666\" data-end=\"3731\">\n<p data-start=\"3668\" data-end=\"3731\">Precise installation and adherence to standards are essential<\/p>\n<\/li>\n<li data-start=\"3732\" data-end=\"3785\">\n<p data-start=\"3734\" data-end=\"3785\">Signal loss may be noticeable over long distances<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3787\" data-end=\"3824\"><strong data-start=\"3787\" data-end=\"3824\">Comparison with Lower-Pair Models<\/strong><\/p>\n<ul data-start=\"3826\" data-end=\"4104\">\n<li data-start=\"3826\" data-end=\"4004\">\n<p data-start=\"3828\" data-end=\"4004\">Compared to 1- or 2-pair cables, twenty-pair cables have higher core density, which may increase crosstalk; precise pair twist length and continuous foil design are essential<\/p>\n<\/li>\n<li data-start=\"4005\" data-end=\"4104\">\n<p data-start=\"4007\" data-end=\"4104\">Production cost is higher, but the advantage of multiple lines in a single cable is significant<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4106\" data-end=\"4150\"><strong data-start=\"4106\" data-end=\"4150\">Quality Assurance and Production Control<\/strong><\/p>\n<ul data-start=\"4152\" data-end=\"4529\" data-is-last-node=\"\" data-is-only-node=\"\">\n<li data-start=\"4152\" data-end=\"4225\">\n<p data-start=\"4154\" data-end=\"4225\">Precise control of strand count (60 strands) and conductor uniformity<\/p>\n<\/li>\n<li data-start=\"4226\" data-end=\"4275\">\n<p data-start=\"4228\" data-end=\"4275\">Ensured foil thickness, adhesion, and quality<\/p>\n<\/li>\n<li data-start=\"4276\" data-end=\"4351\">\n<p data-start=\"4278\" data-end=\"4351\">Insulation, thermal aging, mechanical, and vibration testing on samples<\/p>\n<\/li>\n<li data-start=\"4352\" data-end=\"4450\">\n<p data-start=\"4354\" data-end=\"4450\">Product name, company name, technical specifications, and production date printed on the cable<\/p>\n<\/li>\n<li data-start=\"4451\" data-end=\"4529\" data-is-last-node=\"\">\n<p data-start=\"4453\" data-end=\"4529\" data-is-last-node=\"\">Provision of insulation resistance and performance test reports to customers<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1. Technical Section Product Name: \u201cNoan\u2011G20F\u201d Underground Telephone CableApplication: Underground telephone lines with twenty simultaneous pairs, suitable for underground routes,<\/p>\n","protected":false},"featured_media":1575,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[154,153,150],"product_tag":[],"class_list":{"0":"post-1574","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ccam-terrestrial-twisted-pair-cable","7":"product_cat-paired-cable","8":"product_cat-wire-and-cable","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/product\/1574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/comments?post=1574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/media\/1575"}],"wp:attachment":[{"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/media?parent=1574"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/product_brand?post=1574"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/product_cat?post=1574"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/novanirco.com\/en\/wp-json\/wp\/v2\/product_tag?post=1574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}