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Manufacturing Engineering Residential Electrical Controls and Wiring Copyright © Texas Education Agency, 2013. All rights reserved. 1
Bell Work Activity Directions- Please take out a sheet of paper, read the following scenario, and answer A and B: Scenario- You live in an all electric house in a local suburb and are given two weeks notice that power will be shut down for five days. A.Make a list of the things you would need to purchase to sustain yourself without electricity for five days. B.Focus on food and heating; make an additional list of food products you would need to purchase (or prepare) and ideas for how you would keep warm (if it happened in the fall or winter). 2 Copyright © Texas Education Agency, 2013. All rights reserved.
A. There are several important terms and definitions students need to know. B. Students will now complete the Residential Electrical Controls and Wiring matching definitions handout. Students may work in groups. Warm-Up Activity 3 Copyright © Texas Education Agency, 2013. All rights reserved. Residential Electrical Controls and Wiring Terms
Residential Electrical Controls and Wiring Overview Electricity is a natural phenomenon that occurs throughout our planet. Static electricity, lightning strikes, and the high voltage strikes of electric eels are common examples. Humans have observed electricity for centuries. In modern times, our technology has evolved and we have learned to harness and control it for our benefit. 4 Copyright © Texas Education Agency, 2013. All rights reserved.
Residential Electrical Controls & Wiring (continued) Electricity as an energy source- Electricity is now the primary energy source for most American homes. The use of electricity gives us the ability to expand our use of technology to improve our lives. A typical American home is designed to receive energy from a power company and the energy is distributed throughout the house through the use of wires, switches, and receptacles. We have a variety of appliances available to us to make use of the available energy. 5 Copyright © Texas Education Agency, 2013. All rights reserved.
Electrical Terms 6 Copyright © Texas Education Agency, 2013. All rights reserved. 1.Alternating current 2.Ampere 3.Circuit 4.Circuit breaker 5.Conductor 6.Electrical codes 7.Electrical meter 8.Ground 9.Incandescent lamp 10.Overload 11.Power receptacle 12.Short circuit 13.Volt 14.Watt
Electrical Terms and System Layout System layout- A home electrical system is designed to allow electricity to “flow” through wiring to receptacles in each room (much like water through a plumbing system); switches and receptacles give us the ability to turn on the flow to power up our appliances. A variety of appliances and devices are now available to us: computers, TVs, refrigerators, heating and air conditioning, lighting, stoves and hot water heaters. 7 Copyright © Texas Education Agency, 2013. All rights reserved.
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