Marine electrical, survey and design specialists. electrical engineering drawings and digital multimeter Red and green light led on electric Control Panel showing on/off status DCIM100MEDIADJI_0191.JPG engineer tests the industrial electrical circuits with a multimeter in the control terminal box. Engineer’s hands with a multimeter close-up against background of terminal rows of automation panel. Survey and Design Survey and Design Benson and Brown offers electrical design, AMSA accredited marine survey and insurance assessment services. Supply Product Supply We supply a full array of products from Victron and other major brands such as Hella, Schneider and Hagar. Electrical Services Electrical Services We offer a full spectrum of marine electrical services including new-vessel wiring, refit wiring and equipment repair. Off-Grid Power Off-Grid Power Systems We are fully equipped to supply and install domestic, stand-alone, off-grid power systems.