Name: ______________________
Box: ______
Home Circuit Construction
Task:
Design the floor plan of a kitchen (you can base it off of
the one at your home or make up your own). Your stove
should be regulated by one fuse/circuit breaker and the
rest of the appliances are regulated by another
fuse/circuit breaker. Make a schematic diagram of the
circuits that are required to power the electrical
appliances in the kitchen. Include switches, resistors
(any appliance), fuse/circuit breaker, and power supply
(lines coming in from outside). Label what each resistor
is. Possible appliances include: refrigerator, electric
stove/oven, microwave, toaster, and overhead light.
Build:
Make a two-dimensional working model of electrical wiring in the kitchen. Use Christmas tree lights as resistors
(any type of appliance) along with a drawing or computer printout of the device. Your power supply should come
in from the outside.
Your overhead light must be controlled by a switch. You are challenged to control the light as you would in your
house via a 3-way switch (be able to turn it on/off from two different light switches). You will have to research on
how to do this.
Tips for research:
 Sample wiring diagrams
 Wiring for fuses
 Different types of switches
 Power usage for appliances
Materials: Christmas tree lights, Battery, insulated wire, something to connect and hold the ends of wires together
(electrical tape, wire caps, clips etc.), something to make switches out of (not manufactured).
Grading Scale
Point Value
Object
5pts
Circuit diagram
3pts
(+3pts 3-way)
(+2pts dimmer)
Overhead Light on
(3-way) switch
1pt each
(5pts max)
Wall outlets
3pts
Stove
3pts
(+3pts light)
Refrigerator
5pts
Estimated power bill
3pts max
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Construction
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Description
Correct symbols used
Matches construction AND requirements
Neat
Switch turning off and on a light bulb
EXTRA 3pts: Instead of a regular switch,
construct a 3-way switch
EXTRA 2pts: Include a variable resistor to act
as a dimmer switch for the overhead light.
Wall outlet to power appliances all with full
power source voltage across each of them
All outlets protected by a single fuse
1 stove with power source voltage
Separate fuse
1 Refrigerator with power source voltage
EXTRA 3pts: Light turns ON when door opens
Research real power rating/resistance of
devices
Estimation and calculation of actual monthly
power bill
Neat and calculations explained
3-D model of house
Make it look lifelike and pretty