B-Line Eaton series wireway telescoping fitting, Feed through, Wireway telescoping fitting, 12, Steel, ANSI 61 gray painted

The Eaton B-Line 44-12FTF is a 4 x 4 size fitting, matching its 3.82 in height and 3.82 in width cross section. Use it on 4 x 4 NEMA 12 steel wireway runs. If your run is 6 x 6 or 8 x 8, this is the wrong fitting size.

It closes a gap between two fixed wireway sections that cannot be pulled together, for example where a run ends at a panel or between two pieces already anchored. The 44-12FTF slides to take up the difference and is a feed through fitting, so conductors pass straight through with no change of direction. If you need to turn a corner, you want an elbow or tee instead.

It is a NEMA 12 rated fitting, which covers indoor use against falling dirt, dust and dripping non-corrosive liquids. It is not a NEMA 3R or 4X enclosure, so do not use it outdoors or where direct hose-down or corrosive chemicals are involved.

The fitting measures 15.5 in overall length, so it spans and adjusts within that 15.5 in dimension. Plan the gap between your two fixed wireway ends around that overall length, less the lap needed at each end.

Yes, it carries a UL Listed marking, which is what most facility and institutional inspections want to see on wireway components in an electrical raceway run.

Order it as Eaton B-Line model 44-12FTF. The 44 identifies the 4 x 4 wireway size, 12 the NEMA 12 rating, and FTF the feed through telescoping fitting.

It is steel with an ANSI 61 gray painted finish, the standard gray used across Eaton B-Line wireway and most commercial electrical enclosures, so it blends with existing ANSI 61 gray runs and panels.

At 6.68 lb it is a one-person lift for an overhead wireway run, though you will want the two adjoining sections already supported before you slide it in.