1-3/4 in. extension adapter box is compatible with both series 500 and Series 700 raceways. It is to be used for extensions from existing flush switch and receptacle boxes. Like all exposed raceways/ fitting surfaces, the extension adapter box has a pre-painted scratch resistant ivory finish. With your purchase of the extension adapter box, 10-32 ground screw provided.
- Durable steel construction
- Paintable and stainable with latex based paint
- UL and ETL listed
- Compatible with most existing raceway systems