- with separator wall for separating electrical circuits
- with 4 screw domes
- Suitable for all types of formwork
- 2-piece with moulded rear part
- Two slots for B¹ Prefix® system wings
- Rear part of box with slot for support element
- Standardised combination distance 71 mm
- 6 screw domes
- Suitable for all types of formwork
- 2-piece with moulded rear part
- Two slots for B¹ Prefix® system wings
- Rear part of box with slot for support element
- Standardised combination distance 71 mm
- for separate covers for antenna sockets in combinations with sockets without electric shock protection
- Centre distance 91 mm
- for multiple row combinations
- fits one-gang boxes, one-gang junction boxes, abutments
- Facilitates fixing to the reinforcement
- Pre-fixing by means of B¹ Prefix® installation technology
- Can be used for the following articles:
- B¹ device socket
- B¹ device connection socket
- B¹ large-conduit device connection socket
- B¹ electronics socket
- B¹ two-device connection socket
- B¹ wall light connection socket
- B¹ universal wall outlet
- B¹ Prefix® adapter - Ø 20, Ø 25 and Ø 32 mm