B-Line Eaton series wireway elbow fitting, Lay-in, 90° elbow, outisde opening, 1, Steel, ANSI 61 gray painted, 12" X 12"

It describes which face the cover is on relative to the turn. On the 1212 HSLOUT the opening is on the outside of the 90 degree bend, so you lay conductors in from the outer radius. An inside-opening elbow opens on the short side of the turn. Pick based on which face you can reach once the trough is mounted, because you cannot flip it in the field.

No. It is a NEMA 1 enclosure rating, which is indoor, general purpose, dust and falling dirt only. The painted steel body has no gasketing for rain or washdown. For outdoor or damp areas you need a NEMA 3R raintight wireway elbow instead.

Allow for the overall footprint: the fitting measures 12 x 12 x 16.294 inches, with the larger figure spanning the diagonal of the turn. Lay out the corner with that clearance plus room to swing the cover open for lay-in of the conductors.

Lay-in. The cover comes off and conductors drop into the fitting from the open face, so you are not pulling around a 90 degree bend. That is the main reason crews use lay-in wireway for feeders with large conductors and tight bend radii.

Order Eaton B-Line model 1212 HSLOUT. That designation covers the 12 x 12 NEMA 1 steel lay-in 90 degree elbow with the outside opening in ANSI 61 gray. Covers are part of the fitting; hangers and connecting hardware for the trough run are separate.

It is painted ANSI 61 gray, the standard finish on B-Line steel wireway and on most switchgear and panelboards, so it blends with existing ANSI 61 trough and enclosures. If your run is a different color or unpainted galvanized, the finish will not match.