If you are doing some salt in the water when boiling eggs the risk of broken eggs is small.
How to cook an egg?
A boiled egg in five minutes .. it can. Fill the bottom of your pot with about 0.5 cm of water and bring to a boil (1 minute) (puncture the eggs) and put them in the pot with lid. Set the lowest energy state in and let cook for another 4 minutes ---> finished. Provide the size of the pot in relation to the number of eggs, so save you on your energy bill.