JBBS junction bricks for AS-interface networks are FM-approved for Class I, Div 2, Groups A, B, C and D hazardous locations. They include options with four, six or eight short-circuit protected ports that can be shut off via integrated dip switches located under the cover. IP69K-rated JBBS junction bricks are available with M12 or 7/8-16UN connectors in stainless steel or nickel-plated brass.