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The FireBox portfolio from OBO connects safety-relevant electrical cables in a fireproof manner. The FireBox is approved for the maintenance of electrical function according to DIN Part 12. At its core are ceramic connection terminals in the interior, which, in case of fire, guarantee a secure mechanical and electrical connection. The portfolio can offer the right solution for any area of use and all applications.
The heart of the FireBox is the ceramic connection terminal. It consists of high-temperature-resistant ceramic materials and is available as a single or double terminal, as well as a data technology terminal. It is the basis for a secure mechanical and electrical connection and, in the event of fire, can reliably prevent short-circuits. It is reliably held in position by support clamps. In combination with the thermoplastic housing, it forms an important, test-approved fire protection system.
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The different sizes of the junction boxes are adapted to the appropriate nominal cross-sections of the terminals: The FireBox T100 for a cable cross-section of 6 mm², the T160 for 10 mm² and the T250 for 16 mm². As an empty variant, the FireBox T350 offers even more space for equipment with different terminals. Diagonally mounted terminal units mean that there is always sufficient space available. The version as a double terminal allows the branching of different cable cross-sections, as required. Such a branch can be protected using a separate fuse holder.
I am doing the electrical for an owner-builder run home project. The owner consults with me on something then I get feedback down the road (when someone with a different answer pops up) as to the validity of my input. To add to my frustration it's been a long project (May '08 to present).
So here's the question and I will try to qualify it: I guess we are talking fire rating here. What would be a better choice if you were very fire-conscious (paranoid, perhaps) and wanted the most robust materials in your construction, metal or plastic boxes?
I installed a combination of metal and plastic boxes throughout the building, depending on the application. The owner made a point of telling me that "Joe" told her that "metal boxes are far superioir" to plastic. Well, A 2-hr fire rating is a 2-hr fire rating. What else are we talking about here? An aircraft landing on top of the place?
Anyone have any feedback. I trust my peers have some sane replies. And hey, "Who cares" is as valid an answer as any at this point.
Thanks!
Bob
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