Our Partners
Celestix Industries produces NEMA-standard plug inserts engineered for North American electrical systems, including NEMA 5-15, 6-50, and 14-50 variants. Built using high-conductivity nickel-plated brass terminals and PBT 30% glass-filled resin, these inserts deliver consistent electrical performance, long-life mechanical endurance, and strict compliance with UL 498, CSA C22, and NEMA WD-6 standards.
Ideal for OEM power cords, industrial tools, household appliances, rewireable connectors, and heavy-duty NEMA plug assemblies, the 5-15P insert ensures robust performance for 15A, 125V AC applications.
Key Features
Nickel-plated brass terminals for improved conductivity and corrosion protection
Fully compliant with UL 498, CSA C22, and NEMA WD-6 dimensional and safety requirements
Supports polarized and grounded NEMA 5-15 plug configurations
Engineered for molded plug assemblies and rewireable NEMA connectors
Suitable for industrial equipment, household appliances, and power tool cordsets
Long-life mechanical endurance ideal for OEM mass-production
North American NEMA plug insert systems (5-15, 6-50, 14-50)
Extension cords, power strips, domestic appliances, and HVAC units
EV adapter connectors and heavy-duty power adapters
Industrial plug systems and machinery power tools
Replacement plug kits and rewireable NEMA assemblies
Manufacturing Capabilities
Celestix manufactures straight-blade, locking, and heavy-duty NEMA inserts using:
Multi-slide forming and high-precision Swiss-type CNC machining
XRF-based plating thickness verification
SPC-backed dimensional and tolerance monitoring
Automated mechanical and visual inspection systems
Batch-Level Testing Includes:
Contact resistance < 1 mΩ
Dielectric withstand testing at 2000V AC
Mechanical endurance > 10,000 insertions
NEMA WD-6 dimensional conformity validation
CuZn37 brass ensures ~25% IACS electrical conductivity
Nickel plating meets IEC 62321 (Pb/Hg/Cr(VI)-free)
Salt-spray corrosion testing per IEC 60068-2-11
Thermal cycling from −25°C to +125°C
Dielectric performance validated under UL 498
Quality systems certified to:
ISO 9001
ISO 14001
IATF 16949
ISO 45001
Brass materials: CuZn37, CuZn35, CuZn30, CuZn29Pb3
Plating options: Nickel, Tin-Nickel, Nickel-Chrome
Current ratings available: 15A, 20A, 30A, 50A
Configurations: NEMA 5-15, 5-20, 6-15, 10-30, 14-50
Body color customization: Black, White, Beige
Terminal types: Solder, Crimp, Press-Fit
Engineering support for over-molding and automated assembly lines
UL 498 (Plug & receptacle performance)
CSA C22 (Canadian electrical certification)
NEMA WD-6 (Dimensional & configuration standard)
IEC 62321 (Hazardous substance compliance)
RoHS / REACH environmental compliance
Each shipment includes plating certifications, traceability documents, and UL/CSA-approved test reports.
UL/CSA conformity reports
Plating and corrosion-resistance test results
CAD drawings, datasheets, and technical schematics
OEM compliance certificates
Celestix Industries – UL-listed manufacturer of precision-engineered 15 AMP NEMA plug inserts designed for durability, compliance, and OEM-grade performance.