System Sensor, St. Charles, Ill., announced the remaining dates and locations for its 2011 Seminar series, Codes & CEUs. This seminar provides up-to-the-minute NFPA code reviews, design information, application suggestions and tools for fire and notification system designs. Codes & CEUs is provided at no cost to qualified attendees and CEU credits are also available. The seminar is ideal for fire protection professionals, including engineers, fire officials, end users, school district facility planners, university campus fire and safety personnel, fire system designers and technicians.