SP Series Waterproof Wire Connector with Cable for In-Line Power and Signal

SP Series Waterproof Wire Connectors – Reliable In-Line Connection for Power & Signal Cables

The SP Series waterproof wire connectors are designed to provide secure and stable wire-to-wire (in-line) electrical connections in environments where protection against water, dust, and vibration is required. With a rugged housing and precision sealing structure, they ensure continuous and reliable performance for both power and signal transmission.

Unlike panel or flange types, SP wire connectors are optimized for direct cable connection, making them ideal for flexible wiring systems and field installations.

Built for Harsh Outdoor and Industrial Wiring

SP wire connectors are engineered to maintain stable electrical contact even in challenging environments such as outdoor exposure, humidity, dust, and mechanical movement. The threaded locking system ensures a firm connection between male and female ends, reducing the risk of accidental disconnection during operation.

With IP-rated sealing protection, they help maintain system reliability and reduce maintenance requirements in long-term use.

Key Advantages of SP Series Wire Connector

• IP67 / IP68 waterproof and dustproof protection
• Secure in-line wire-to-wire connection design
• Strong locking mechanism for vibration resistance
• Stable electrical performance for power and signal use
• Durable housing for industrial environments
• Suitable for repeated connection and disconnection

Typical Applications for SP Series Wire Connector

The SP Series waterproof wire connectors are widely used in applications requiring flexible cable connections, including:

• LED outdoor lighting systems
• Industrial automation equipment
• Sensor and monitoring systems
• Power supply wiring connections
• Marine and outdoor electrical installations
• Security and communication systems
• Renewable energy equipment

Configuration & Options For SP Series Wire Connector

SP wire connectors are available in multiple configurations to meet different wiring and electrical requirements:

• SP13/SP17/SP21/SP29 options
• Male and female in-line connectors
• Cable-to-cable (wire-to-wire) structure
• Straight connector design
• Solder or crimp termination options
• Custom cable length and wiring solutions
• Optional overmolding for enhanced protection
• OEM and ODM customization is available for project-specific requirements

Manufacturing Strength & Production Capability

With manufacturing experience since 2007, our company specializes in waterproof connectors and cable assembly solutions. Based in Shenzhen, we operate a fully integrated production system covering mold development, die casting, CNC machining, stamping, injection molding, and final assembly.

This complete manufacturing capability ensures stable quality control, efficient production, and flexible customization for global customers.

Quality Control & International Standards

Each SP wire connector is tested through strict quality inspection processes to ensure reliable performance in demanding environments, including:

• Waterproof sealing tests
• Electrical conductivity and insulation testing
• Insertion and withdrawal force testing
• Salt spray resistance testing
• Mechanical durability testing
• Precision dimensional inspection

Our products comply with international certifications including UL, CE, RoHS, BSCI, and ISO9001, supported by multiple technical patents that reflect our continuous innovation and engineering capability.

Reliable Production & Global Delivery

All connectors are carefully inspected, packaged, and prepared for shipment to ensure safe transportation and stable product quality upon arrival. With strong production capacity and coordinated logistics management, we support reliable delivery schedules for both standard and large-volume orders.

We are committed to providing dependable connectivity solutions and long-term supply support for industrial and outdoor applications worldwide.