国家电气规程2008版普通认证考试（最近测试题目）1, The width of the working space in front of the electrical equipment shall be the width of the equipment or 30 inches, whichever is greater.电气设备前面的工作空间宽度应为该设备的宽度或30英寸，取其较大值。2，Working space for equipment operating ...
A single receptacle is a single contact device with no other contact device on the same___. b) yoke When one electrical circuit controls another circuit through a relay, the first circuit is called a "___." b) remote-control circuit Equipment enclosed in a case or cabinet with a means...
210.71 Meeting Room Receptacle Outlets In 2017, the new requirement for meeting rooms not exceeding 1000 square feet. This will also include non-locking, 125V, 15A, or 20A receptacles. For rooms with movable partitions, the size of the room should be based on the smallest potential space with...