I suppose once could burry main lines, and have a mechanism that can remotely disable parts of overground lines, and enable them once the fire risk is over. But

I suppose once could burry main lines, and have a mechanism that can remotely disable parts of overground lines, and enable them once the fire risk is over. But either way, not acting in anyway makes the US/CA look like a poor country - they certainly have all sorts of excuses for power-cuts in there, and why it is impossibly expensive to fix.