Fire resistant injection molded nylon. Panel rating: 12 volts, 37 amps total. Individual circuit: 10 amps maximum. Meets CE specifications. To customize panel to your specific setup, an assortment of preprinted labels are included. Fastener #6 RH.6-Gang Panel, A-6-1/2" , B-4-1/2" , C-5-1/2" , D-3-5/8"