SmartPlug Systems

Overview

SmartPlug Systems is a manufacturer of power delivery connectors for marine, RV, specialty vehicles, and industrial applications. The company produces the SmartPlug, a patented rectangular plug and inlet system designed to replace traditional twist-type shore power connections, addressing issues like loose connections, corrosion, overheating, and electrical fires. It holds certifications including US ETL, Intertek ETL, CE, and Canadian CSA, and focuses on markets requiring safer AC power delivery.

History

SmartPlug Systems was founded in 2007 as a privately held company in Seattle, WA, specializing in innovative power delivery systems. The flagship SmartPlug product was developed as a patented alternative to existing connectors for boats, RVs, and industrial uses. In recent years, the company relocated its headquarters to Lynnwood, WA, and appointed John C. Greenwood as CEO to drive growth. It remains independent with no recorded acquisitions or funding rounds.

Product Lines

Manufacturing

Products are manufactured in the USA. The company operates as a manufacturing firm, suggesting in-house production capabilities at its facilities in the Seattle area.

Notable Products

• SmartPlug 30A - Rectangular shore power plug and inlet reducing resistance and overheating risks.
• SmartPlug 50A - High-amperage connector for marine and RV use with patented waterproof seal.
• SmartPlug Inlet - Retrofit replacement for twist-type inlets on boats and vehicles.
• 16A/32A SmartPlug - Compact power delivery options certified for international standards.

Reputation

SmartPlug Systems is recognized in marine and RV communities for improving safety over traditional twist connectors by minimizing arcing and corrosion. Professionals value its certifications and ease of use, though some note higher upfront costs compared to standard plugs. The brand maintains a niche but solid presence among enthusiasts prioritizing reliability in shore power applications.