File:T ratings oldest trick in the book 006.png
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Original file (7,202 × 5,992 pixels, file size: 2.58 MB, MIME type: image/png)
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Summary
| Description |
English: Close-up of bus duct with 2 layers of Mylar wrappings. These overlap and are held together with Scotch tape. These wrappings are "rated to 130°C", which is fairly useless in a building fire or fire testing as These can go up to 1100°C, where the wrapping catch on fire, which spreads, along with smoke and heat, through the inside of the bis duct, to the unexposed side (in the test lab) or, worse, an unengaged fire compartment.
Deutsch: Nahaufnahme einer Stromschiene mit doppelter Plastikumwicklung. Diese Umhüllung besteht aus Mylar, welches bis zu einer Temperatur von 130°C zugelassen ist. Diese Temperaturgrenze ist unzureichend für Gebäudefeuer oder Brandprüfungen, wo Temperaturen bis zu 1100°C erreicht werden. Wenn innerhalb des Stromschienenkastens keine Abschottung seitens des Herstellers eingesetzt wird, brennen diese Plastikumhüllungen an der äußeren Abschottung vorbei und in die abgewandte Seite hinein - nebst Hitze und Rauch. |
| Date | |
| Source | Own work |
| Author | Achim Hering |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:04, 29 September 2015 | | 7,202 × 5,992 (2.58 MB) | Achim Hering | {{Information |Description ={{en|1=Close-up of bus duct with 2 layers of Mylar wrappings. These overlap and are held together with Scotch tape. These wrappings are "rated to 130°C", which is fairly useless in a building fire or fire testing as Thes... |
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