{"product_id":"hubbell-hbl7764c-locking-connector-3-pole-4-wire-heavy-duty","title":"Hubbell HBL7764C Locking Connector 3-Pole 4-Wire - Heavy Duty","description":"\u003cp\u003eIn this review of the Hubbell HBL7764C locking connector, the bottom line is simple: it is a purpose-built, heavy duty twist-lock female connector for industrial cord-mount applications where durable grounding and reliable high-voltage service are required. The reviewer found the HBL7764C well suited to demanding environments because it follows the UL498 standard, provides a 3-pole 4-wire grounding configuration, and accommodates 50 amp circuits at up to 5250VDC\/600VAC ratings in a composite body that resists impact and wear.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial grade construction:\u003c\/strong\u003e The composite body offers strong resistance to impact and sustained use on job sites, making it suitable for heavy duty industrial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh voltage and current capacity:\u003c\/strong\u003e Rated for 50 amp service and up to 5250VDC\/600VAC, it handles demanding power needs for equipment that requires robust connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist-lock design:\u003c\/strong\u003e The locking twist mechanism secures the connection against accidental unplugging, which improves safety in busy installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew terminal wiring:\u003c\/strong\u003e The cord-mounted screw terminal arrangement enables straightforward field wiring and reliable conductor retention when installed correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL498 standard compliance:\u003c\/strong\u003e Conformance to UL498 ensures the connector meets established safety and performance benchmarks for attachment plugs and receptacles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe HBL7764C is aimed at electricians, industrial maintenance crews, and installers who need a dependable locking connector for 50 amp circuits in commercial or industrial settings. It is appropriate where a non-NEMA, twist-lock female connector with grounding and high voltage capability is specified.\u003c\/p\u003e\u003cp\u003eCustomers who need low-voltage consumer connectors or aesthetic consumer-grade accessories should look elsewhere; this product is optimized for function and durability rather than decorative or household convenience use.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRobust composite body and twist-lock design deliver secure connections suitable for heavy use.\u003c\/li\u003e\n\u003cli\u003eHigh voltage and 50 amp rating provide capacity for industrial equipment and demanding power needs.\u003c\/li\u003e\n\u003cli\u003eUL498 standard compliance gives installers confidence in safety and regulatory acceptance.\u003c\/li\u003e\n\u003cli\u003eScrew terminal cord mounting simplifies field wiring and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAs a non-NEMA, specialized locking connector it may not be compatible with standard consumer outlets or accessories.\u003c\/li\u003e\n\u003cli\u003eBlack color and utilitarian styling limit visual options for installations where appearance matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eLocking connector, female body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\/Wires\u003c\/td\u003e\n\u003ctd\u003e3-Pole, 4-Wire grounding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent rating\u003c\/td\u003e\n\u003ctd\u003e50 amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage rating\u003c\/td\u003e\n\u003ctd\u003e5250VDC \/ 600VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eUL498\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eCord mounted, screw terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \/ Color\u003c\/td\u003e\n\u003ctd\u003eComposite body, Black\/White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Hubbell HBL7764C is a practical choice for professionals who need a durable, standards-compliant locking connector for 50 amp industrial circuits. Its combination of composite construction, twist-lock security, and clear UL498 compliance makes it good value for installations that prioritize safety and long-term reliability rather than consumer styling.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this connector suitable for heavy duty industrial use?\u003c\/strong\u003e\u003cbr\u003eYes. The composite body, twist-lock design, and 50 amp \/ 5250VDC-600VAC ratings make it appropriate for heavy duty industrial applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the connector wired to a cord?\u003c\/strong\u003e\u003cbr\u003eIt is cord mounted using screw terminals intended for secure field wiring of the conductors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this follow common plug standards?\u003c\/strong\u003e\u003cbr\u003eNo. It is a non-NEMA locking connector designed for specific twist-lock applications and may not mate with standard household connectors.\u003c\/p\u003e","brand":"Hubbell","offers":[{"title":"Default Title","offer_id":48149061140699,"sku":"B00N8ZQC5Q","price":193.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81K9obFa_BL._SL1500.jpg?v=1768841838","url":"https:\/\/gearmusthave.com\/products\/hubbell-hbl7764c-locking-connector-3-pole-4-wire-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}