UL1598温升测试墙面是广东安规根据标准UL1598第19.11节及图19.11.1要求设计制作而成。该UL测试墙面带可活动支架与脚轮,可移动,可随意更换摆放位置,非常方便实验室进行日常测试与设备管理。。
UL1598温升测试墙面满足以下结构要求:
(1) 正面和背面为1218mm×1218mm,12mm厚的胶合板或夹板。
(2) 两边木料为2英寸(50.8mm) x 4 英寸(101.6mm),厚度不可见。
(3) 两端木料为1英寸(25.4mm) x 4 英寸(101.6mm),厚度可见。
(4)内部支撑木料为2英寸(50.8mm) x 4 英寸(101.6mm),厚度不可见。
(5) 内装美国进口UL认证的标准4英寸 x 1-1/2英寸的8角形接线盒(俗称八卦板)。
注:目前中国市面上其他公司生产的大部分UL1598天花所使用的Outlet Box均为手工制作,非标准要求的Outlet Box,无UL认证或仿冒UL认证,本公司均为美国原装进口UL认证八卦板,直接从美国市面上购买所得。包括侧面的接线盒,均有UL认证,其他外行仪器商为国内随意寻找接线盒,完全不能达到标准要求,不能通过正儿八经的UL仪器设备审核。
(6) 对外接线盒应该在侧面位置安装。
(7) 内部导线管为3/8金属导线管。
(8) 接线包含一根白色和黑色的14AWG导线及一根16AWG或更粗的线接在接线盒上用于接地。
(9) 区别于温升测试天花,测试墙面不含绝缘玻璃纤维。
(10) 测试墙面底部至少距离地面0.9米,离天花至少0.3米以上,1×4木料应该处于水平位置。
The temperature test wall apparatus shall conform to Figure 19.11.1 and shall be constructed as follows:
(1) the face and back shall be 12 mm thick plywood 1218 mm (48 in) square.
(2) the sides shall be 2 x 4 in trade size wooden members.
(3) the ends shall be 1 x 4 in trade size wooden members.
(4) the inside supports shall be 2 x 4 in trade size wooden members.
(5) a metal octagonal outlet box, 4 x 1-1/2 in trade size, shall be mounted in the center of the plywood panel, projecting through and flush with the outer face. The box shall be mounted with two steel angle brackets, 1.25 mm (0.050 in) thick, 38 mm (1.5 in) long, 25 mm (1 in) flanges, attached to opposite sides of the box and secured with wood screws to the inside of the plywood panel.
(6) a metal surface utility box with cover, 4 x 2-1/2 x 1-3/4 in trade size, shall be mounted to the side of the structure.
(7) flexible metal conduit, 3/8 in trade size, shall be installed between the outlet box and the utility box and secured with straight connectors.
(8) wiring shall consist of one white and one black 14 AWG conductor of any type, and one 16 AWG conductor, bonding the boxes together.
(9) the test wall apparatus shall not be filled with insulation.
(10) The test wall shall be located a minimum of 900 mm (36 in) above the floor and a minimum of 300 mm (12 in) below the room ceiling, with the 1 x 4 in ends in a horizontal position.