8
Electricity
1. Why does an electronics technician
make tests on a live circuit with one
hand in a pocket?
2. Describe the times when safety
goggles should be worn in the electric-
ity/electronics laboratory.
3. Why should you stand away from and
look away from your project when it is
turned on for the first time?
4. Which parts of a circuit might become
hot during operation?
5. Why is a project still dangerous, even
after the power is turned off?
6. If a device blows a fuse, should you
replace the fuse and again operate the
device? Explain.
7. Why should you wash your hands with
special soap after handling solder?
Safety Quiz
Special Safety Rules for Soldering
1. Always think that a soldering iron is
HOT! Be careful and try to prevent
burns.
2. Do not solder near materials that can
readily burn.
3. Replace the soldering iron in its holder
or tray when not in use.
4. Remember, a hot soldering iron can melt
electrical cords, providing for an unsafe
electrical situation.
5. Before you attempt to change soldering
iron tips, make sure the soldering iron
has fully cooled. It is also a good idea to
unplug the soldering iron.
6. Always solder in a well-ventilated area.
7. Always wear safety glasses to prevent
hot solder from splashing into your eyes.
8. Remember, lead is a very toxic material.
Do not eat, drink, or put hands or fingers
in your mouth or near your eyes after
handling solder. Always wash your
hands after handling solder. There are
special soaps to assist in the removal of
lead from your hands after soldering.
These cleaning agents can be obtained at
some specialty stores and stores that pro-
vide materials for stained glass window
projects.