CEF Series Safety Closed End Connector High Temperature Resistant Nylon Insulated Wire Crimp End Cap
Product Basic Information
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Item
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Specification
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Product Series
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CEF Safety Closed End Wire Connector:
CEF1.25, CEF2, CEF5.5
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Material
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Flame Retardant PA66 Nylon Shell + High Purity Copper/Aluminum Crimp Ring
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Certification
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CE, RoHS, TUV, UL, REACH
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Rated Voltage
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600V
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Temperature Range
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-40°C ~ 105°C
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Flame Retardant Grade
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UL94 V-2 Fire Resistance
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Type
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Closed end crimp type insulated wire termination cap
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Wire Range
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0.5mm² – 6mm² (Full CEF series specifications)
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Features
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Closed end fully sealed, flame retardant, high temperature resistant, anti-loose crimping, safe wire termination, vibration resistant
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Application
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Lighting fixtures, household electrical wiring, junction box closed termination, mechanical equipment wire ending, low voltage circuit sealing
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Product Description
CEF series safety closed end connectors are professional sealed wire termination caps, widely adopted for safe wire ending and circuit sealing in low-voltage electrical systems. Different from traditional tape winding and spiral twist connectors, CEF closed end caps adopt fully enclosed crimp structure to achieve permanent wire sealing termination, effectively solving common problems such as wire loosening, electric leakage, short circuit and poor contact.
The outer shell is made of high-quality UL-certified flame retardant PA66 nylon material, featuring excellent high temperature resistance, anti-aging and insulation performance, reaching UL94 V-2 flame retardant grade for reliable fire safety. Built-in high-precision copper or aluminum crimp ring provides uniform and strong clamping force, closely fitting wire cores after crimping to ensure stable electrical conduction and low contact resistance.
This safety closed end cap features compact integrated structure, dustproof and moistureproof performance, effectively protecting wire ends from external environmental interference. It replaces traditional insulating tape for neater and more standard wiring layout. Simple crimping operation, stable long-term use, fully compliant with international electrical safety and environmental standards, ideal for mass engineering wiring and household electrical renovation.
Product Features
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Fully Sealed Closed End Design：Completely wraps wire ends for full insulation, anti-leakage, anti-short circuit and anti-dust protection
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High-Grade Flame Retardant Nylon：UL94 V-2 fire resistance, high temperature resistant up to 105°C, anti-aging for long-term indoor use
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Precision Metal Crimp Ring：High purity copper/aluminum inner ring, firm crimping, strong tensile resistance and stable conduction
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Safety Permanent Termination：Crimp type fixed structure, anti-loose and anti-vibration, no virtual connection after long-term operation
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Standard Wiring Replacement：Perfect substitute for insulating tape, neater wiring and higher safety factor
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Full Specification Coverage：Complete CEF series models fit 0.5-6mm² wires, compatible with single-core and stranded wires
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Compact Space-Saving Structure：Mini size suitable for narrow junction boxes and dense wiring scenarios
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Global Standard Certification：Compliant with CE, RoHS, TUV, UL, REACH for global market sales
Application Scope
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LED lighting lamps and indoor lighting circuit wire termination
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Household electrical renovation low-voltage wire sealing and ending
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Junction box closed hidden wiring insulation protection
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Small household appliances internal circuit wire termination fixing
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Automotive and mechanical equipment internal wire ending treatment
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Commercial building indoor electrical engineering standard wiring
Installation Steps
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Strip appropriate insulation length of wire ends and tidy up scattered copper strands;
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Insert the sorted wire cores fully into the CEF closed end cap;
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Crimp the middle position of the connector tightly with professional crimping pliers;
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Confirm firm crimping to complete fully insulated sealed wire termination.
Precautions
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Select matching CEF model according to wire cross-section and wire quantity;
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Ensure wire cores are fully inserted without exposed copper strands to avoid safety hazards;
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Crimp at the correct position with moderate force to prevent shell cracking or loose crimping;
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Applicable for indoor dry low-voltage environments, not for outdoor exposed or high-corrosion scenarios;
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Do not exceed the rated 600V working voltage to ensure electrical safety.