SmartPlug
SmartPlug C30503BM30NT 30 Amp 50ft Dual Configuration Cordset with Stainless Steel Inlet
SmartPlug BDBSS 316 Stainless Steel Marine Data Port Case Inlet with Blank Plug and Open Port
SmartPlug: Redefining Shore Power Safety
Founded in 2007 and headquartered in Seattle, Washington, SmartPlug set out to solve one of the most persistent — and dangerous — problems in marine and RV shore power: the twist-type connector. That legacy design, virtually unchanged for decades, is prone to loosening over time and highly susceptible to corrosion, two of the leading causes of shore power failure and electrical fires at marinas and campgrounds alike. SmartPlug's engineering team replaced it with a straight-blade, non-twist connection system that locks securely, seats fully, and provides consistently reliable contact every time.
Innovation Built Around Safety
What distinguishes SmartPlug from conventional shore power products is the depth of engineering behind what looks like a simple plug. The connector's design eliminates the micro-movements that cause arcing and heat buildup inside twist-lock systems. By improving the contact surface area and reducing the opportunity for corrosion to interrupt the circuit, SmartPlug products actively reduce the risk of shore power fires — a well-documented hazard in the boating community. The result is a connection that is not only safer but also simpler to use, even with wet hands or in low-light conditions at the dock.
A Complete Shore Power Ecosystem
SmartPlug has built a comprehensive lineup that covers every stage of a shore power installation. Their shorepower accessories include inlets, connectors, combo kits, cordsets, and dock & lift kits, giving boaters and RV owners everything needed for a full system upgrade or a targeted replacement. Whether you are retrofitting an older vessel, outfitting a new slip, or upgrading a dockside power pedestal, there is a SmartPlug component designed for the job.
For situations that require adapting between different connector standards — whether bridging 30-amp and 50-amp systems or connecting to international marina power — SmartPlug's shore power adaptors maintain the same commitment to secure, corrosion-resistant connections. Rather than relying on generic adaptor hardware that can introduce the same vulnerabilities SmartPlug's system was designed to eliminate, these adaptors are purpose-built to work seamlessly within the SmartPlug ecosystem.
Marine, RV, and Specialty Applications
Although SmartPlug gained recognition first in the marine market, their product range extends to RV and specialty applications as well. This versatility reflects the brand's core philosophy: that safe, reliable shore power matters wherever people connect to grid electricity away from home. From recreational boaters to liveaboards to full-time RV travelers, SmartPlug products are designed for the real-world conditions their users face — salt air, UV exposure, rain, and repeated daily use.
Why SmartPlug Matters
Choosing SmartPlug is not simply a convenience upgrade — it is a meaningful safety decision. Electrical fires originating from shore power connections have caused significant damage to vessels and marina infrastructure. SmartPlug's straight-blade locking design, high-quality materials, and corrosion-resistant construction directly address the root causes of those incidents. For anyone who regularly plugs into shore power, upgrading to SmartPlug hardware is one of the most impactful safety improvements available.