used model designed with fuses in pull-out handle for easy replacement. The line, load, and ground terminals are aligned for ease of wiring. This product has a reversible door which opens to either the left or right. The side open door opens more than 180 degrees for maximum access and has a full dead front. The fused models have indicator lights for blown fuses. This is rain tight and sleet resistant. The UL Listed number is IRF9, NEMA Type 3R and the US Patent is 6,630,637.