1. LIGHTNING

2. lightning Electricity seeks the path of least resistance
water inside a tree is a much better conductor than air
100,000 volts
50,000 degrees
Sap boils and cells explode

3. lightning Damage that appears on one side
Most trees survive
Most damage when scar on both sides of trunk
Lightning scar open to insects and disease
Predisposed

4. lightning
side flash, or jump, to another tree or structure

5. lightning exits through roots and dissipates into soil
a person standing with feet apart may have deadly flow go through them
Travel through irrigation wire

6. lightning do not prune or fertilize maintain cultural care Soil
irrigation

7. lightning
Lightning protection provides alternate route outside of tree
Air terminal is at top of tree to intercept lightning

8. lightning
Copper cable is the main conductor connected to air terminal and attached to tree at regular intervals

9. lightning Ground terminal connect to ground via ground rod or plate
underground portion in a 8” trench