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| 2. Why should mounting of distribution transformers on junction poles be avoided where possible? |

| 3. What factors should be considered in the installation of underground distribution transformers? What are some methods of doing so? |

| 4. What is meant by vent-volume ratio for transformer manholes or vaults? |

| 5. What factors should be considered in the installation of substation or plant transformers? |

| 6. What protective devices are usually installed with overhead, underground, and substation or plant transformers? |

| 7. What is the function of a lightning arrester? |

| 8. What is meant by a completely self-protected distribution transformer? |

| 9. What special precaution should be taken with neutral or ground wires? |

| 10. Who covers installation codes for specific consumer's transformers? |

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