Whenever you are dealing with any sort of electrical appliance or circuit it is essential that you follow some basic, but important, safety rules. If at any time you are not sure what you are doing, stop and speak to a professional.
In the event of someone receiving an electric shock you need to act quickly. Prompt action can reduce the chance of serious injury or even save the persons life. This advice assumes that the person is still in contact with the electrical circuit.
Ladders used incorrectly cause more accidents, in both the DIY world and the professional world, than almost any other piece of equipment. You can dramatically reduce the chance of injury when using a ladder by following these rules.