{"product_id":"kl-400lfb","title":"KL-400LFB - K-LOK 400 A Single-Pole Line Connector, Female, Blue, 600 V Maximum","description":"\u003c!-- KUPO Shopify paste-ready combined HTML for KL-400LFB --\u003e\u003c!-- Includes product description, Product JSON-LD, FAQ, FAQ JSON-LD, and Download section. --\u003e\u003cstyle\u003e.kupo-section-title { margin: 1.25rem 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.3; color: #2C3E50 !important; letter-spacing: 0;}.product-description h3 { color: #2C3E50 !important; font-size: 18px !important; font-weight: bold; margin-top: 1.5rem; margin-bottom: 0.75rem; line-height: 1.35; letter-spacing: 0;}.product-description,.product-description p,.product-description li { color: #222222 !important;}\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003cdiv class=\"product-description\" data-sku=\"KL-400LFB\" data-color=\"Blue\"\u003e \u003ch3\u003eOverview\u003c\/h3\u003e \u003cp\u003eThe KUPO K-LOK 400 A Female Line Connector is engineered for heavy-duty reliability and safety in high-current temporary power distribution. Featuring a Santoprene TPV (Thermoplastic Vulcanizate) housing rated to 105 °C, brass contacts for superior conductivity, and a non-conductive POM (Polyoxymethylene) retaining screw that eliminates accidental current paths, this connector delivers the mechanical strength and electrical performance demanded by large-scale entertainment productions and industrial applications handling up to 400 amperes. The modular, tool-free design enables rapid field assembly and disassembly, while full interoperability with standard CAM-type connectors ensures seamless integration into existing power distribution systems.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e   \u003cli\u003eNon-conductive POM (Polyoxymethylene) retaining screw locks the brass contact firmly in position, eliminating accidental current paths for safer operation\u003c\/li\u003e   \u003cli\u003ePOM insulation sleeve adds heat resistance and structural strength to the contact assembly\u003c\/li\u003e   \u003cli\u003eRibbed Santoprene TPV housing provides a secure, slip-free grip even when wearing work gloves\u003c\/li\u003e   \u003cli\u003eAlignment arrow ensures correct orientation for fast, error-free mating every time\u003c\/li\u003e   \u003cli\u003eSantoprene TPV housing rated to 105 °C withstands demanding site conditions and extreme temperatures\u003c\/li\u003e   \u003cli\u003eBrass contacts deliver reliable, low-resistance electrical connections for sustained high-current loads up to 400 A\u003c\/li\u003e   \u003cli\u003eDouble set screw termination accommodates #6 AWG (American Wire Gauge) to 4\/0 AWG conductors with redundant cable retention\u003c\/li\u003e   \u003cli\u003eUniversal CAM-type compatibility integrates seamlessly with existing power infrastructure from multiple manufacturers\u003c\/li\u003e   \u003cli\u003eUL \/ UL \/ cUL Listed ensures compliance with North American safety standards\u003c\/li\u003e  \u003c\/ul\u003e \u003ch3\u003eStandards\u003c\/h3\u003e \u003cp\u003eUL \/ UL \/ cUL Listed -File Number E332947; UL 1691 - Standard for Safety for Cam-Type, Locking-Type Separable Connectors; Environment Rating: UL Enclosure Types 3R; Flame Class: HB \/ UL94; RoHS (Restriction of Hazardous Substances) Compliant. Match standards and compliance requirements to the local electrical code before installation.\u003c\/p\u003e \u003ch3\u003eApplications\u003c\/h3\u003e \u003cp\u003eSuitable for concert touring and live event production, film, television, and studio power distribution, temporary construction site power, theme park and entertainment venue installations, trade shows and exhibition power systems, industrial temporary power connections, and broadcast and outside broadcast (OB) van power.\u003c\/p\u003e \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eThe K-LOK 400 A Female In-Line Connector intermates with standard CAM-type single-pole connectors from all major manufacturers, enabling seamless integration into existing power distribution systems without requiring a full infrastructure change.\u003c\/p\u003e \u003ch3\u003ePhase \/ Wire Color Convention\u003c\/h3\u003e  \u003cdiv style=\"overflow-x: auto; -webkit-overflow-scrolling: touch;\"\u003e\u003ctable style=\"width: 100%; min-width: 540px; border-collapse: collapse; margin: 12px 0; border: 2px solid #999999;\"\u003e\n\u003cthead\u003e\u003ctr\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: left; padding-left: 14px; border: 1px solid #cccccc; border-top: 2px solid #999999; border-left: 2px solid #999999; font-size: 14px; width: 22%;\"\u003eRegion\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL1\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL2\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eL3\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; font-size: 14px; width: 13%;\"\u003eN\u003c\/th\u003e \u003cth style=\"background-color: #e0e0e0; color: #333333; font-weight: bold; padding: 10px 8px; text-align: center; border: 1px solid #cccccc; border-top: 2px solid #999999; border-right: 2px solid #999999; font-size: 14px; width: 26%;\"\u003eGround\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eNA 120\/208 V \u003csup\u003e1\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #222222; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #ffffff; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen \/ G-Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eNA 277\/480 V \u003csup\u003e2\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #8B4513; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC6600; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #DAA520; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #888888; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen \/ G-Y\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eIEC 60446 \u003csup\u003e3\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #8B4513; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #222222; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #888888; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999;\"\u003eAU\/NZ Legacy \u003csup\u003e4\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; height: 38px; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #ffffff; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #003399; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #222222; border: 1px solid #cccccc;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e \u003ctd style=\"background-color: #f0f0f0; color: #333333; font-weight: bold; font-size: 13px; padding: 6px 8px 6px 14px; text-align: left; border: 1px solid #cccccc; border-left: 2px solid #999999; border-bottom: 2px solid #999999;\"\u003e China \u003csup\u003e5\u003c\/sup\u003e\n\u003c\/td\u003e \u003ctd style=\"background-color: #DAA520; height: 38px; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: # CC0000; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #4682B4; border: 1px solid #cccccc; border-bottom: 2px solid #999999;\"\u003e\u003c\/td\u003e \u003ctd style=\"background-color: #228B22; color: #ffffff; font-weight: bold; font-size: 12px; text-align: center; border: 1px solid #cccccc; border-right: 2px solid #999999; border-bottom: 2px solid #999999;\"\u003eGreen-Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e  \u003cp style=\"font-size: 12px; color: #555555; line-height: 1.6; margin-top: 6px;\"\u003e\u003csup style=\"color: #555; font-weight: bold;\"\u003e1\u003c\/sup\u003e North America 120\/208 V (NEMA \/ NEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e2\u003c\/sup\u003e North America 277\/480 V (NEMA \/ NEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e3\u003c\/sup\u003e Europe, UK, Australia (current IEC 60446)\u003cbr\u003e\u003csup style=\"color: #555; font-weight: bold;\"\u003e4\u003c\/sup\u003e Australia \/ New Zealand legacy (pre-IEC)   \u003csup style=\"color: #555; font-weight: bold;\"\u003e5\u003c\/sup\u003e China (GB 50303)   \u003cstrong\u003eG-Y\u003c\/strong\u003e = Green-Yellow (earth\/ground)\u003c\/p\u003e\n\u003c\/div\u003e\u003c!-- Product JSON-LD structured data --\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"KL-400LFB | K-LOK 400 A Single-Pole Line Connector, Female, Blue, 600 V Maximum\",  \"description\": \"The KUPO K-LOK 400 A Female Line Connector is engineered for heavy-duty reliability and safety in high-current temporary power distribution. Featuring a Santoprene TPV (Thermoplastic Vulcanizate) housing rated to 105 °C, brass contacts for superior conductivity, and a non-conductive POM (Polyoxymethylene) retaining screw that eliminates accidental current paths, this connector delivers the mechanical strength and electrical performance demanded by large-scale entertainment productions and industrial applications handling up to 400 amperes. The modular, tool-free design enables rapid field assembly and disassembly, while full interoperability with standard CAM-type connectors ensures seamless integration into existing power distribution systems.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\",    \"url\": \"https:\/\/www.kupopower.com\"  },  \"category\": \"Electrical Connectors \u003e Single-Pole Connectors \u003e CAM-Type\",  \"sku\": \"KL-400LFB\",  \"mpn\": \"KL-400LFB\",  \"color\": \"Blue\",  \"material\": \"Santoprene TPV, rated to 105 °C; Brass\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Current Rating\",      \"value\": \"400 A maximum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Voltage Rating\",      \"value\": \"600 V AC\/DC maximum\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Connector Style\",      \"value\": \"Line connector (inline)\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Housing Material\",      \"value\": \"Santoprene TPV, rated to 105 °C\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Contact Material\",      \"value\": \"Brass\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Certification\",      \"value\": \"UL \/ cUL Listed\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Termination\",      \"value\": \"Double set screws\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Terminal Accommodation\",      \"value\": \"#6 - 4\/0 AWG\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Mating System\",      \"value\": \"CAM-type single-pole\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Polarity\",      \"value\": \"Female\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Environment Rating\",      \"value\": \"UL Type 3R\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Flame Class\",      \"value\": \"HB \/ UL94\"    }  ],  \"productID\": \"KL-400LFB\"}\u003c\/script\u003e\u003c!-- KUPO K-LOK FAQ Block for KL-400LFB --\u003e\u003c!--FAQ + JSON-LD: KL-400LFB --\u003e\u003cstyle\u003e.kupo-faq-seo-block { margin: 3rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box; }.kupo-faq-seo-block h2 { margin: 0 0 1.6rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important; }.kupo-faq-seo-item { border-top: 1px solid #ececec; padding: 0.8rem 0; }.kupo-faq-seo-item:first-of-type { border-top: 0; padding-top: 0; }.kupo-faq-seo-item h3 { margin: 0 0 0.35rem 0; font-size: 17px !important; font-weight: 600; line-height: 1.45; color: #2C3E50 !important; }.kupo-faq-seo-item p { margin: 0; line-height: 1.6; color: #222222 !important; }\u003c\/style\u003e\u003csection class=\"kupo-faq-seo-block\" data-product-id=\"KL-400LFB\" data-category=\"K-LOK Power Connectors\"\u003e \u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWho should use KL-400LFB and why?\u003c\/h3\u003e  \u003cp\u003eLighting technicians, electricians, and power distribution professionals working with 400 A temporary power systems will benefit from KL-400LFB. Its blue housing provides instant visual phase identification, while the Santoprene TPV (Thermoplastic Vulcanizate) housing rated to 105 °C ensures durability in demanding field conditions.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat voltage and amperage is KL-400LFB rated for?\u003c\/h3\u003e  \u003cp\u003eKL-400LFB carries a maximum rating of 400 A and 600 V AC\/DC. It accepts wire gauges from #6 to 4\/0 AWG, making it suitable for the conductor sizes typically used in 400-amp power distribution circuits.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhy choose the blue version of the K-LOK 400 A female line connector?\u003c\/h3\u003e  \u003cp\u003eIn North America, blue designates Phase C (L3), completing the three-phase color set. Under IEC 60446, blue is reserved for the Neutral conductor - making this color essential for international projects and cross-border equipment pools. Choosing KL-400LFB in blue ensures your power distribution system follows established color conventions, speeding up setup and reducing wiring errors.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eIs KL-400LFB UL \/ UL \/ UL \/ cUL Listed and what does that mean?\u003c\/h3\u003e  \u003cp\u003eYes. KL-400LFB is UL \/ UL \/ cUL Listed under File Number E332947, meaning it has been independently tested and certified to UL 1691 safety standards by a Nationally Recognized Testing Laboratory. This certification is required for professional power distribution in most North American jurisdictions.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"kupo-faq-seo-item\"\u003e  \u003ch3\u003eWhat industries commonly use KL-400LFB?\u003c\/h3\u003e  \u003cp\u003eKL-400LFB is widely used in industrial temporary power connections for manufacturing and processing facilities. Its 400 A \/ 600 V AC\/DC rating, combined with CAM-type universal compatibility and blue phase coding, makes it a versatile choice across the entertainment, construction, and industrial sectors.\u003c\/p\u003e \u003c\/div\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Who should use KL-400LFB and why?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Lighting technicians, electricians, and power distribution professionals working with 400 A temporary power systems will benefit from KL-400LFB. Its blue housing provides instant visual phase identification, while the Santoprene TPV (Thermoplastic Vulcanizate) housing rated to 105 °C ensures durability in demanding field conditions.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage and amperage is KL-400LFB rated for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"KL-400LFB carries a maximum rating of 400 A and 600 V AC\/DC. It accepts wire gauges from #6 to 4\/0 AWG, making it suitable for the conductor sizes typically used in 400-amp power distribution circuits.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose the blue version of the K-LOK 400 A female line connector?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In North America, blue designates Phase C (L3), completing the three-phase color set. Under IEC 60446, blue is reserved for the Neutral conductor - making this color essential for international projects and cross-border equipment pools. Choosing KL-400LFB in blue ensures your power distribution system follows established color conventions, speeding up setup and reducing wiring errors.\"}}, {\"@type\": \"Question\", \"name\": \"Is KL-400LFB UL \/ UL \/ UL \/ cUL Listed and what does that mean?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. KL-400LFB is UL \/ UL \/ cUL Listed under File Number E332947, meaning it has been independently tested and certified to UL 1691 safety standards by a Nationally Recognized Testing Laboratory. This certification is required for professional power distribution in most North American jurisdictions.\"}}, {\"@type\": \"Question\", \"name\": \"What industries commonly use KL-400LFB?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"KL-400LFB is widely used in industrial temporary power connections for manufacturing and processing facilities. Its 400 A \/ 600 V AC\/DC rating, combined with CAM-type universal compatibility and blue phase coding, makes it a versatile choice across the entertainment, construction, and industrial sectors.\"}}]}\u003c\/script\u003e\u003c!-- ====== END FAQ + JSON SCHEMA BLOCK: KL-400LFB --\u003e\u003c!-- ==================== DOWNLOAD SECTION ==================== --\u003e\u003cstyle\u003e.kupo-download-section { margin: 2rem 0 0 0; padding: 0; border: 0; background: transparent; box-sizing: border-box;}.kupo-download-section h2 { margin: 0 0 1rem 0; font-size: 22px !important; font-weight: 700; line-height: 1.4; color: #2C3E50 !important;}.kupo-download-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 16px !important; line-height: 1.5; color: #111111 !important; font-weight: 600; text-decoration: underline;}\u003c\/style\u003e\u003csection class=\"kupo-download-section\" data-product-id=\"KL-400LFB\"\u003e \u003ch2\u003eDownload\u003c\/h2\u003e \u003ca class=\"kupo-download-link\" href=\"https:\/\/pub-87314d729f334121b80f91e16c4e7f60.r2.dev\/KL-400LFB%20Data%20Sheet.pdf\" target=\"_blank\" rel=\"noopener\" download\u003e  Download KL-400LFB Spec Sheet (PDF) \u003c\/a\u003e\u003c\/section\u003e","brand":"KUPO Stage","offers":[{"title":"K-Lok \/ 400A \/ Inline Female","offer_id":53907598475563,"sku":"KL-400LFB","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/KL-400LFB_b.jpg?v=1782111965","url":"https:\/\/kupostage.com\/products\/kl-400lfb","provider":"KUPO Stage","version":"1.0","type":"link"}