Fire-resistant housing

摘要

The housing has an external housing (1) made of fire-retardant material such as gypsum, and an electric installation housing (2) for receiving an electric device (3). The external housing is provided with a lockable external opening (4). The electric installation housing is provided with a lockable internal opening (7). The electric installation housing encloses the electric device with the closed internal opening in a moisture-proof manner, where the electric installation housing is provided in the external housing. The electric installation housing is partly made of plastic.