Ex.5. Match the words (1-10) with their definitions (A-J).

1. soil condition 6. bonding wire

2. ditch 7. resistance

3. ground wire 8. drive (v)

4. footer 9. parallel

5. panel bond 10.sphere of influence

A. a wire which is grounded and completes a circuit if a neutral wire fails;

B. a wire that connects the panel to the grounding system;

C. they run in the same direction and do not cross;

D. the amount of voltage applied on two resistor terminals compared to the current that circulates between them;

E. it is connected to the grounding system using rebar;

F. to cause movement through some sort of force;

G. a narrow trench that is made in the ground;

H. a wire connected to the ground system and used to help from an electrically conductive path;

I. the texture of the soil, such as dry, rocky or wet;

J. an electrical current that flows from the ground rod and into the soil that surrounds it.

Ex.6. Find the synonyms from the text to the underlined words.

1. The electrician measured the amount of current that moves by force through the wire.

2. An electrical system is not stable without a neutral wire connected to the earth.

3. The wires should be running in the same direction but not crossing to avoid short circuits.

4. We need to replace the part that connects the service panel to the grounding system.