Plastic accessory panel used with the NBF series NEMA boxes that allows easy mounting of electronic devices in the box. ABS plastic, UL94-HB. Unique hole grid allows electrical and/or electronic devices to be mounted to panel as a subassembly without punching or drilling holes. Easier prototyping. Allows pre-testing of components. Faster, less costly infield assembly. Measures 7-5/16" length by 5-11/32" width by 7/64" thick.