1.Male F-type connectors are typically used with:
1.公头F型连接器通常用于：
2.Most common ceiling speaker size:
2.最常见的吸顶扬声器尺寸是：
3.Which home theater component generates the most heat?
3.以下哪种家庭影院组件产生的热量最多？
4.Voltage at which surge protector activates:
4.浪涌保护器启动时的电压是：
5.Control center/power source of component audio system:
5.组件式音频系统的控制中心/电源是：
6.What are the two standard outer diameters (OD) for fiber optic ferrules, as seen in SC, ST, FC, and LC connectors?
6.SC、ST、FC和LC连接器中使用的光纤插芯的两个标准外径（OD）是多少？
7.Which material is typically used for ferrules in straight-tip (ST) fiber connectors?
7.直头（ST）光纤连接器中的插芯通常使用哪种材料？
8.Which connectors are most used for multimode fiber in commercial low-voltage setups?
8.在商业低压系统中，哪种连接器最常用于多模光纤？
9.Which punch-down block is standard for Cat3 analog phone lines?
9.对于Cat3模拟电话线，哪种压接块是标准配置？
10.Which connector is most common with RG6 coax?
10.RG6同轴电缆最常用的连接器是哪种？
