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The SOUTHWIRE L406 is a zinc rigid offset nipple designed to route conduit around obstructions in electrical installations. The offset allows the conduit run to shift laterally while maintaining a continuous, protected pathway for conductors. At 3.125 inches in overall length with a 2 inch offset, this nipple is sized for tight spaces where standard fittings cannot clear a wall surface, box edge, or structural member. Licensed electricians install this fitting in rigid metal conduit systems during rough-in and finish work on both residential and light commercial projects.
This offset nipple is suited for rigid conduit installations where the conduit entry point is not flush with the surface of an enclosure or panel. It allows the conduit to step out from a panel knockout or box, compensating for wall depth or surface irregularities. The zinc construction provides corrosion resistance appropriate for dry and damp indoor locations. It is also referenced under the Topaz 116 and Madison L-40-6 part numbers, which may assist in cross-referencing with existing job specifications or procurement records.
Designed as an OEM-style replacement and standard fitting for rigid metal conduit systems. Also referenced as Topaz 116 and Madison L-40-6.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize all circuits and verify with a meter before working inside any panel or enclosure. Use appropriate conduit wrenches or strap wrenches to seat the nipple securely without over-stressing the zinc fitting. Ensure the offset orientation is correct before threading into the knockout to avoid misalignment of the conduit run.
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