UL1993- -- -测试盒（test box）
9.4 Plywood test box material
9.4.1 The plywood used for constructing temperaturetest boxes shall be 12-mm (1/2-in trade size) thick with at least one side that has all voids filled and sanded.
9.5 Temperature test box
9.5 温度测试盒
9.5.1 Test apparatus for a device with an input rating less than 50 W
9.5.1 一个拥有低于50W输入功率的设备的试验装置
9.5.1.1 The test fixture shall be a steel or aluminum cylinder, closed at the top. The smaller cylinder shall be 152 mm (6 in) in diameter and 216 mm (8.5 in) deep while the larger cylinder shall be 203 mm (8 in) in diameter and 280 mm (11 in) deep. The cylinders shall be fabricated of steel or aluminum, having a thickness between 0.76 and 1.27 mm (0.03 and 0.05 in). The cylinders shall be painted white on all sides.
9.5.1.1 测试夹具应该是一个钢的或铝制的圆筒，上部封顶。较小的圆筒应该是口径152mm（6英寸），高216mm（8.5英寸）大小；较大的圆筒应该是口径203mm（8英寸），高280mm（11英寸）大小。圆筒应该用钢或铝焊接，焊接厚度在0.76到1.27mm（0.03英寸到0.05英寸）之间。
圆筒的所有表面应该被涂成白色的。
Each cylinder shall be installed in a rectangular test box having four sides, a top, and bottom.The cylinder shall be flush to the test box bottom and the wood bottom shall have an opening the size of the cylinder diameter. The test box sides shall be constructed of plywood described in Clause 9.4.1. Three sides and the top shall be 13 mm (0.5 in) from the nearest part of the cylinder. The fourth side shall be 76 mm (3 in) from the nearest part of the cylinder. The supply lamp holder shall be porcelain coated and has a cast metal cap bearing against the cylinder top. See Figure 9.1.
每个圆筒应该被放置在一个矩形测试盒中，该测试盒有四个侧面和一个顶面一个底面。圆筒应该能与测试盒地步水平，木的底部应该有一个大小等于圆筒直径的开口。测试盒的侧面应该遵照条款9.4.1使用胶合板。其中的三个侧面和顶面应该与*近的圆筒有13mm（0.5英寸）的距离。第四个侧面应该与圆筒距离*近时有76mm（3英寸）的距离。提供的灯座要在外表上瓷并且在靠近圆筒顶部有一个铸造金属的盖子。见图9.1.
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