If the smoke alarm isn't plugged in or you want to install a model with a different plug, you have to disconnect the wires. Pull the wire caps out of the electrical box and insert the probes from avoltage testerinto the caps holding the black wires and the ground wires. If the light...
To protect against car thieves with tow trucks, some alarms have "tilt detectors." The basic design of a tilt detector is a series of mercury switches. A mercury switch is made up of two electrical wires and a ball of mercury positioned inside a contained cylinder. Mercury is a liquid met...
Attach two pieces of wire to each battery terminal. Get your tinder and touch the wires together above it. This should create a spark and the tinder will smolder. Pick the tinder up and blow on it. Once it lights, quickly transfer it to your fire pit and add small kindling. Soda Can...
A three-way switch has three terminals, and the switch connects the first terminal to either the second or the third terminal, as shown here: You use two three-way switches to control the light, and wire it up as shown below: In this diagram, a normal piece of wire comes from the ...
How Smoke Detectors Work How Wildfires Work What do the big diamond-shaped signs with red, yellow and blue diamonds mean? More Great Links Fire Extinguishers in the Workplace Types of Fire Extinguishers Safety Links: Material Safety Data Sheets Flame Extinction by Sodium Bicarbonate Powder in a ...
If you’ve got cast iron grates, any wire brush may damage the finish and lead to rust. For these grills, opt for a still-stiff-but-softer brush, like the Grillaholics Pro Palmyra Grill Brush. Grill bricks are another durable option that will hit all the right angles of the grill, ...
Once the last coin is on the stack, attach a wire to it with masking tape. Finally, attach the free ends of the two wires to an LED, which should light up. In this experiment, the copper in the quarter is the cathode, the foil is the anode, the cider vinegar-salt solution is the...
Though professional installation can be more convenient, the DIY security system options are easier to install & more affordable than you think!
In this case, an electric fence isn’t really a “fence” but a strip of electrified wire. The shock from an electric fence should be enough to scare raccoons off but not enough to hurt them severely. Set up one strip of electric fence around your garden about 6 inches off the ground...
RESET SMOKE KEY Resets all smoke detectors in alarm. TEST KEY Allows you to perform system testing. PROGRAM KEY Used to enter the programming mode. ACCESS KEY Used to activate a door strike or other access output function. QUIT KEY Used to reset any entry error and to allow you to exit ...