Where required elsewhere in this Code, the complete electrical system design, including settings for protective, switching, and control circuits, shall be prepared in advance and made available on request to the authority having jurisdiction and shall be tested when first installed on-site. (B) ...
Following are the three methods used for rapid shutdown initiation:引自第68页 690.12(C) 启动装置 在关闭情况下,快速关断启动装置应识别出快速关断已经启动。这意味着关闭是指光伏系统关闭而快速关断激活。 对于单户或双户住宅,至少有一个快速关断启动装置必须在外部的易接触区域。
The dedicated equipment space for electrical equipment that is required for panelboards installed indoors is measured from the floor to a height of___ above the equipment, or to the structural ceiling, whichever is lower. b) 6 ft The dedicated space above a panelboard extends to a dropped...