File:Bus duct wh test 1992.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:04, 27 August 2007 | 4,521 × 4,220 (1.77 MB) | Achim Hering | {{Information |Description=Bus Duct interior and exterior views. This Westinghouse bus duct section was used in a successful 2 hour fire test for a firestop system. The interior firestop that was provided by the bus duct manufacturer was repla |
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