This document outlines safety precautions for using electricity. It discusses how electricity can be both useful and dangerous, so proper precautions should be taken. Some key safety tips mentioned include unplugging appliances during storms, replacing worn wires, turning off the main switch when repairing wiring, and not overloading outlets. Students are instructed to study illustrations of safety precautions and fill out a checklist of whether they follow each one. Proper consultation with electricians is important to ensure electric facilities are safe.

1. SCIENCE V
November 26, 2015 - Thursday
I. Objective:
Practice precautionarymeasures related to electricity e.g. unpluggingelectricalappliances during
brownoutsor thunderstorms.
II. Subject Matter
Precautionsin the Use of Electricity
References: RBEC-PELC Unit 5.8 p. 19
Science Concepts:
Be absolutelycareful when usingelectricity. Carelessnesscan lead to fire, electrocutions and
certain death. Know all safety precautions. When in doubt,consulta licensed electrician or consult
the fire station employees for fire preventiontips.
Materials: powerpoint presentation
Science Processes: Critical Thinking and Reasoning
III. Procedure
A. Preliminary Activities
1. Review
Give as many appliances as you can which are used at home or in the community.
2. Motivation
What can electricity do with ourlife, with our work, and with our activities?
B. Developmental Activities
3. Presentation
Electricity is very importantand useful to us. It can help usin many ways. It
can make ourwork faster andeasier because of electricity, we can live conveniently
and comfortably. But electricity can also be dangerousso we shouldlearnhow to use
it properly andsafely.
4. Discussion
Will it always be good and useful?
How do you think can we avoid the dangersbroughtaboutby electricity?
Below is a list of safety precautionsin the use of electricity.
1. Disconnect electrical appliances when not in use
2. Replace damaged or old wires
3. Turn off the main switch when replacinga fuse or when repairing electrical
wiring.
4. Put electric cordsaway from passageways.
5. Change a burn-outfuse with one of the same capacity.
6. Unplugappliances by carefully disconnecting the cord.
7. Limit the number of appliances connected to one outlet at a time.
8. Avoid touchingthe switch of electrical appliances when handsare wet.
9. During thunderstorm,brown-outs,unplugelectricalappliances.
ACITIVITY: (by group)
Learning Activity Sheet- Lesson 68
Direction:
Study different illustrationsand write in your own words what safety
precaution can be done to be safe in usingelectrical devices. Enter it in the table
below and fill up the checklist. If you are doing it, write a checkmark under YES. If
not, check under NO.
Safety Precaution Yes No
1.
2.

2. Why shouldwe practice safety precautions in the use of electricity?
What happensif we don’t?
5. Generalization
What are the safety precautions to follow in the use of electricity?
How shouldwe follow these precautions?
6. Application
To be sure thatelectric facilities are safe for use, whom shouldwe consult?
IV. Evaluation
By Group:
A. Choose one precautionary measure thatwe have discussed.
B. Act outthe precautionary measures relatedto electricity.
V. Assignment
Check the practices one can follow to be safe in the use of electricity.
1. Wipe your hands dry before pluggingor unplugging.
2. Cover bare electric wire with a plastic.
3. Disconnect electric wire with a plastic tape.
4. It is safe to connect as many appliances to an outletat a time.
5. It is safe to change burnedfuse with the silver wrapper of cigarettes.
6. Electric cords are covered with insulator.You may put them along passageways.
7. Carefully disconnect the cord when pluggingthe appliances.
8. When you repair a wiring or replace a fuse turnoff the main switch.
9. Outletsshouldbe installedaway from children’s reach.
10. When handlinghigh power machineries, always use rubberor rubbershoes.
3.