1.What enclosure is required for a 50V battery?
1.针对 50V 的蓄电池,需要何种类型的围护装置?
2.What hardware is commonly used to fasten conduit to walls or surfaces?
2.常用于将导管固定在墙壁或表面上的五金件是什么?
3.Which NEC section governs photovoltaic systems?
3.NEC(美国国家电气规范)的哪一部分管辖光伏系统?
4.Where should batteries be placed to reduce voltage drop?
4.为了减少电压降,蓄电池应放置在何处?
5.For a south-facing roof at 7:12 pitch, expected energy loss is:
5.对于坡度为 7:12 且朝南的屋顶,预期的能量损耗是多少?
6.What does AL/CU mean?
6.“AL/CU”代表什么含义?
7.How many acres of flooded land define a flood?
7.积水面积达到多少英亩的淹没土地才被定义为“洪水”?
8.Pool area lighting requires:
8.泳池区域的照明设施需要满足什么要求?
9.Maximum storage battery voltage in a residence?
9.住宅用储能电池的最高电压限制是多少?
10.When installing solar panels on a roof, which factor is most critical?
10.在屋顶安装太阳能电池板时,哪个因素最为关键?