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Two samples of the system shall be subjected to the following test sequence.
The system, when in the closed position, shall resist 50-pound (22 N) force without opening, loosening in the test fixture or damaging the releasing assembly. The force shall be applied on the exterior side of the test fixture in a location that is most likely to move or damage the system. The force shall be gradually applied perpendicular to the opening and held for a period of 1 minute. A 3/8-inch (10 mm) diameter rope looped through the security bars, or similar arrangement, shall be used to apply the force.
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12-3-7.1 Releasing Systems for Security Bars in Dwellings,
Following the Secure Attachment Test, each of the two samples of the system shall unlatch immediately without intentional delay during each of 10 ...