DANGER OF SHOCK

IN modern house-lighting off a public supply, the current usually is alternating current at a pressure of about 240 volts. This pressure is sufficiently high to give anyone who touches a bare live conductor, or any metal part connected directly with it, a severe and even fatal shock. The reader is therefore warned to open … Read more

SWITCHES

ALL wall switches controlling lights should have a quick-break action, which completes the switching on or off automatically when the knob has been moved part way up or down. This prevents arcing, and burning at the contact points. If a switch spring breaks, replace the switch. Even good switches – and it is false economy … Read more

ELECTRIC LIGHT IN THE HOME

LIGHTING current is brought into a house by two conductors connected with the street mains . Immediately after entering, the conductors are connected to a pair of fuses controlled by the company. Beyond this they run (one has to traverse the companys meter on the way) to a double-pole main switch, the opening of which … Read more