So many fires are caused by electric arcs forming in buildings, that you had better go back to the beginning of this section and read it all through again carefully. It may save your home and even your life.
After you have reread this section, test your understanding of it by answering the following questions:
1. How can you make an electric arc?
2. Why should wires not be twisted together to make electric connections?
3. Why should wires be brought into houses and through walls in iron conduits?
4. Why should you pull out the plug of an electric iron, percolator, toaster, heater, or stove?
5. Why do fire commissions condemn extension lights?
6. If you use an extension light, where should it be turned off?
7. If you hear a sizzling and sputtering in your electric-light socket, what does it mean? What should you do?
8. Is there any danger in defective sockets with switches that do not snap off completely? What is the danger?