Description
The Blue Sea Systems 1003 Waterproof Inlet is a rugged, waterproof cable entry gland designed to securely seal and protect cables passing through panels, bulkheads, or enclosures. It accommodates cables up to 0.56 inches (14.2 mm) diameter and provides a watertight seal to prevent moisture ingress, ensuring reliable electrical system integrity in marine, RV, and industrial applications.
Constructed from corrosion-resistant materials, this inlet gland is engineered to withstand harsh environmental conditions while maintaining a tight, durable seal around cables.
Key Features
Waterproof cable inlet gland for cables up to 0.56″ (14.2 mm) diameter
Provides a watertight seal to protect electrical enclosures from moisture
Corrosion-resistant materials designed for marine and harsh environments
Easy to install with panel mounting threads and sealing washers
Ideal for use on boats, RVs, and outdoor electrical equipment
Specifications
Part Number: 1003
Cable Diameter Capacity: Up to 0.56 inches (14.2 mm)
Material: Marine-grade corrosion-resistant plastic and rubber sealing components
Mounting: Threaded body with lock nut for secure panel mounting
Ingress Protection: Typically IP67 or better (waterproof)
Color: Black
Installation Hole Size: Approx. 0.75 inches (19 mm) diameter cutout









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