Square D by Schneider Electric QO816L100DS QO 100-Amp 8-Space 16-Circuit Indoor Surface Mount Main Lugs Load Center with Cover and Door Includes a surface mount indoor cover with door and PK7GTA Ground bar kit is sold separately Accommodates plug-on secondary surge arrestor (sold separately) Main feeders terminate from the top, feeders can enter from any direction, however, device cannot be rotated Single phase