Further information for Spelsberg U 71 DAD - ceiling lights junction box = 35mm 71x71x89mm
			
			IBT - Concrete installation system - polypropylene - Device and accessory connection sockets to VDE 6 6 - Glow wire test at 65 ° C according to VDE 47 
  - Absolute security - High mechanical strength - Patented support bar technology offers the proven stability of cans and boxes in opposing formwork - 3-piece cans types for the production of concrete works - variety of programs, from simple ceiling to small distributors - Tutorials for metric pipes - can be combined without further aids - New color scheme - Universally suitable for horizontal and vertical formwork, tunnel and battery mold - Suitable both for in-situ concrete and large panel construction - Provides universal, safe and proven a million times mounting options for all formwork - Ensures excellent resistance through patented membrane system - Up to approximately 
  2 ° C temperature resistant and remains at -2 ° C still elastic and impact-resistant ceiling lights junction box U 7 
  Ceiling box for installation in concrete as ceiling lights junction box, front part gray, outlet Ø 35 mm front, rear dome green with M5 threaded socket for receiving a ceiling hook 979 
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  , Combinable, suitable for opposing formwork launches dome 4 x 25 mm Ø, 45 ° introductions box 2 x 2 mm Ø Type: U7 
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  ST.  Tags: concrete installation, concrete box, switch box