National Electrical Contractors Association Northern California Chapter, or NECA for short, serves the Electrical Industry in Alameda, San Joaquin, Salano, Napa, Mariposa, Merced, Stanislaus and Tuclumme Counties. The NECA website provides updated information every Monday morning, how to become a member, various benefits and JATC training. This location holds workshops and meetings daily; visit the website above for a calendar of events.