MADE WITH PRIDE
IN THE USA

Duraline was established in 1946 as a supplier of safety engineered electrical distribution and temporary lighting systems to the U.S. Navy and commercial shipbuilding industry. Since then, we’ve grown to supply industries as diverse as mining, petrochemicals and food processing to medical, entertainment, transportation, utility and telecommunications.Duraline products are made with pride right here in the USA. All molding, soldering, crimping and assembly operations are done on site at our Florida facility. In addition, we have the latest CNC lathe and milling machines to produce custom work on site. To guarantee that our products are safe, we follow the most stringent manufacturing and quality control requirements and are audited quarterly by outside NRTLs to ensure compliance. Tell us your needs. At Duraline, we’re ready to exceed your expectations.

 

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Wide Area LED Light Streamers

Duraline’s high durability Wide Area LED Light Streamers will generously illuminate a vast area with its high light.

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Duraline Blog & Press Releases

How to Choose 30 Amp Connectors for Outdoor Job Sites
Electrical Distribution Systems
Published On: July 27, 2026

Why a 30 amp connector that looks right can still fail on an outdoor job site A connector can fit perfectly and still fail badly. That is the part most crews learn the hard way. If you are staring at a box of outdoor job site 30 amp connectors and feeling unsure, that reaction is […]

What Are the Differences Between IP67 and IP68 Connectors
Innovations in Power Connectivity
Published On: July 23, 2026

Why a connector that looks sealed can still fail in the real world A connector can look bulletproof and still fail the first time water, grit, or vibration gets serious. That is the part most people miss. If you are sorting through IP67 connectors and IP68 connectors, the confusion is normal. The labels sound definitive, […]

What Is an L21-30 Connector Used For? Generator and Three-Phase Power Explained
Insights
Published On: July 21, 2026

What Is an L21-30 Connector Used For? If you’ve ever worked with generator systems, temporary power distribution, or large-scale electrical setups, chances are you’ve come across an L21-30 connector. It’s one of those components that shows up everywhere in professional environments—but rarely gets explained clearly. At its core, an L21-30 connector is designed for 30-amp, […]

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