Item/item

Underground cables

Over head wires

Public safety/faults & failures

Safer/better

Not safe/higher

Capital cost/running cost

Expensive/very low

Cheap/high

Flexibility/appearance

New cell for a cable /invisible

Flexible/visual view

Operating voltage/voltage drop

Less than 11 kV/low

Any higher/higher

Damage strokes/HF interference

No lighting & thunders /non

Affected possibility/possible

Jointing/fault location

Difficult/difficult

Simple/cheaper

Surge effect/charging current

Smooth due to sheath/higher

Direct effect/only for long lines

Maintenance

Expensive

Easy