Enhance your panelboard installation with the Cutler EZ Trim Surface. This surface-mount trim provides a clean and professional finish for your 30 x 20 panelboard box. Designed for ease of use and a secure fit, it ensures a polished look for your electrical enclosure..The Cutler EZ Trim Surface, model EZT2030S, is a surface-mount trim designed for 20 wide x 30 high panelboard boxes. It features a NEMA 1 rating, indicating suitability for indoor use in environments where it is protected against falling dirt. The trim is unvented and keyed for secure access.