Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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#6,#9
**Grounding and Electrical Code Compliance: Key Knowledge Points** 1. **Exemptions in Grounding Requirements (Question 6):** Which of the following is exempted from the National Electrical Code's strict grounding requirements for equipment? - **A.** Insulation that's used as a substitute for grounding and offers equal and effective safety by using double-insulated equipment. - **B.** Distribution apparatuses mounted on wood poles that are less than eight feet tall. - **C.** Equipment that's located in a wet or damp location and isolated. - **D.** Frames of electrically heated appliances that are temporarily insulated from ground. 2. **Identifying Grounding Terminals (Question 7):** Which of the following is a method for identifying a grounding terminal for connecting an equipment grounding conductor to a device? - **A.** The letters EGC. - **B.** A green octagonal nut. - **C.** A green screw with a hexagon head. - **D.** A red pressure wire connector. 3. **Isolated Receptacles Identification (Question 8):** Imagine that your foreman asks you to locate the isolated receptacle within a group of receptacles. How would you identify the isolated receptacle? - **A.** The word isolated will appear on the receptacle. - **B.** The words externally grounded will appear on the center of the receptacle. - **C.** The receptacle will have an orange triangle on it. - **D.** The receptacle will be green. 4. **Grounding Electrical Equipment (Question 9):** Which of the following statements about grounding electrical equipment is true? - **A.** Grounding electrical equipment increases the possibility of metal parts remaining energized. - **B.** If no wire-type equipment grounding conductors are present with the branch circuits, the equipment grounding terminal bar isn't required. - **C.** Equipment grounding conductors can be spliced together outside of a grounded metal box. - **D.** The nonmetal parts of some electrical equipment are required to be connected to an equipment grounding conductor. This educational resource provides learners with crucial information about grounding requirements, identification of grounding terminals, recognizing isolated receptacles, and understanding fundamental principles regarding grounding electrical equipment according to the National Electrical Code.
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Transcribed Image Text:**Grounding and Electrical Code Compliance: Key Knowledge Points** 1. **Exemptions in Grounding Requirements (Question 6):** Which of the following is exempted from the National Electrical Code's strict grounding requirements for equipment? - **A.** Insulation that's used as a substitute for grounding and offers equal and effective safety by using double-insulated equipment. - **B.** Distribution apparatuses mounted on wood poles that are less than eight feet tall. - **C.** Equipment that's located in a wet or damp location and isolated. - **D.** Frames of electrically heated appliances that are temporarily insulated from ground. 2. **Identifying Grounding Terminals (Question 7):** Which of the following is a method for identifying a grounding terminal for connecting an equipment grounding conductor to a device? - **A.** The letters EGC. - **B.** A green octagonal nut. - **C.** A green screw with a hexagon head. - **D.** A red pressure wire connector. 3. **Isolated Receptacles Identification (Question 8):** Imagine that your foreman asks you to locate the isolated receptacle within a group of receptacles. How would you identify the isolated receptacle? - **A.** The word isolated will appear on the receptacle. - **B.** The words externally grounded will appear on the center of the receptacle. - **C.** The receptacle will have an orange triangle on it. - **D.** The receptacle will be green. 4. **Grounding Electrical Equipment (Question 9):** Which of the following statements about grounding electrical equipment is true? - **A.** Grounding electrical equipment increases the possibility of metal parts remaining energized. - **B.** If no wire-type equipment grounding conductors are present with the branch circuits, the equipment grounding terminal bar isn't required. - **C.** Equipment grounding conductors can be spliced together outside of a grounded metal box. - **D.** The nonmetal parts of some electrical equipment are required to be connected to an equipment grounding conductor. This educational resource provides learners with crucial information about grounding requirements, identification of grounding terminals, recognizing isolated receptacles, and understanding fundamental principles regarding grounding electrical equipment according to the National Electrical Code.
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