File:Transformer above firestops.jpg
![File:Transformer above firestops.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/Transformer_above_firestops.jpg/397px-Transformer_above_firestops.jpg?20071211005516)
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editDescriptionTransformer above firestops.jpg | Transformer cabinets/US power plant. Transformers often sit on fire-resistance rated concrete floor slabs that with big openings below to allow conductors to penetrate. These openings must be firestopped to restore the rating of the floor. In unionised North American construction sites, this work is done by composite crews between insulators and electricians, where insulators seal the openings and electricians make sure the work is done safely. | ||
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Source | Own work | ||
Author | Achim Hering | ||
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current | 00:55, 11 December 2007 | ![]() | 3,131 × 4,725 (957 KB) | Achim Hering (talk | contribs) | {{Information |Description=Transformer cabinets in a hydroelectric power station in the United States. At times, transformers sit on fire-resistance rated concrete floor slabs that have large openings beneath these cabinets to allow electrical conduct |
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