4. Which of the following is exempted from the National Electrical Code's strict grounding requirements for equipment? A. Equipment that's located in a wet or damp location and isolated B. Frames of electrically heated appliances that are temporarily insulated from ground C. Insulation that's used as a substitute for grounding and offers equal and effective safety by using double-insulated equipment D. Distribution apparatuses mounted on wood poles that are less than eight feet tall

4. Which of the following is exempted from the National Electrical Code's strict grounding requirements for equipment? A. Equipment that's located in a wet or damp location and isolated B. Frames of electrically heated appliances that are temporarily insulated from ground C. Insulation that's used as a substitute for grounding and offers equal and effective safety by using double-insulated equipment D. Distribution apparatuses mounted on wood poles that are less than eight feet tall