| When working on a high voltage circuit, you should always have another person present with you. This person should have a good working knowledge of the hazards associated with working on high voltage electrical circuits as well as the first aid techniques for treating electrical shock. What other knowledge is essential? |
| A) detailed knowledge of insulation dielectric strengths associated with the circuit being worked on |
| B) working knowledge of the conductor ampacities associated with the circuit being worked on |
| C) detailed knowledge of the insulation voltage ratings associated with circuit being worked on |
| D) working knowledge of the circuit being worked on and all means of isolation and grounding |
