Electrical Test Leads.

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Across
  1. 5. Third option for metal tips of probes (6.11).
  2. 6. Leads should be adequately ?(9).
  3. 7. Maximum amount of exposed metal tip (4.10).
  4. 8. Leads must be ? (8).
  5. 9. Leads should be of adequate ? (6).
Down
  1. 1. Leads should be ? so they are easily distinguished from each other (8).
  2. 2. These prevent inadvertent hand contact (6,8).
  3. 3. Strongly recommended amount of exposed metal tip where practicable reduced to ? or less(3.10).
  4. 4. This must be done regularly to test leads and instruments (9).
  5. 5. Required to be this to protect against mechanical damage (8).
  6. 8. Option of current limiting device (4).