elctrical technology 2

2.  Determine what a circuit is.
 Identify components of the circuit.
 Determine the different types of
switches.
 Determine the connections or wiring
diagram for lamp controls

6.  the very common switch.
 its function is simply for turning on
and off a certain load in a circuit.

7.  used to control loads in two locations.
 used to control loads in more than two
locations when combined with 4-way
switch.

8.  it has a common terminal which supplies
the two traveler terminals alternately.

9.  has four terminals in which having
contacts alternately.

10.  a type of SPST which the actuator is
longer than the ordinary switch.

11.  switch button is being slide when
turned on or off.

12.  Can be turned on and off by pulling
a hanging chain.

13.  Used to control the brightness of the
bulb.

14.  Automatically turns on the light when it
can sense darkness and turns it off when
it is daylight.

15.  It has either normally-closed or normally-open
contact.
 Automatically returns to its normal position
when the applied force is being released.

16.  Allows the user to choose between
neutral or off, manual or forward, and
automatic or reverse.

17.  automatically locks when pushed and
has to be twisted to release the lock.
 used in machineries where an emergency
buttons has to be installed.

18.  a switch having normally close and
open contact which will be triggered
when touched or pressed.

19.  a set of two or more switches in as many
circuits operated simultaneously by a single
control.
 a number of independent switches side by side
and having a common switch plate

20.  Two switches group together in one
plate.

21.  Three Switches group together in one
plate.