1.Amperage rating for No. 6 RH at 20°C ambient:
1.6 号 RH 灭火器在 20°C 环境温度下的额定电流是多少?
2.Which equation represents Ohm’s Law?
2.哪个公式代表欧姆定律?
3.Minimum recommended temperature for fluorescent lamps?
3.荧光灯的最低推荐温度是多少?
4.How to test for gas in a manhole?
4.如何检测人孔中的气体?
5.A circuit contains 22 LED lamps, each operating at 12 volts and 2.5 amps. What is the circuit voltage?
5.一个电路包含 22 个 LED 灯,每个灯的工作电压为 12 伏,电流为 2.5 安。电路电压是多少?
6.Max operating temp for THW insulation?
6.THW 绝缘材料的最高工作温度是多少?
7.Service with 000 copper requires grounding conductor:
7.使用 000 号铜线供电需要接地导体:
8.An energy storage system (ESS) enclosure must be:
8.储能系统 (ESS) 外壳必须:
9.Fire hazard in Class II location?
9.II 类场所的火灾隐患是什么?
10.Main cost factor for wiring a 7000 sq ft home?
10.为 7000 平方英尺的房屋布线的主要成本因素是什么?