Building Trades

Avoiding Shocks

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Objectives

• Select the proper electrical tester for your job.

• Describe how to use each tester

• Demonstrate using a tester.

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Know Where Your Circuit Breaker is

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Non-contact Voltage Tester

This is the safest tool to confirm that the power is off and costs about $10.

Copyright © Texas Education Agency, 2011. All rights reserved.

Circuit Tester

This is the most reliable tool to determine if the circuit is complete. Costs about $2

Copyright © Texas Education Agency, 2011. All rights reserved.

Continuity Tester

A safe tool that lets you trace test switches and wiring. Costs about $6

Copyright © Texas Education Agency, 2011. All rights reserved.

Make Sure The Power is OFF

When using the non-contact voltage tester:•Test your receptacles•Test for hot wires•Test switches•Test light fixtures•Test cables

Copyright © Texas Education Agency, 2011. All rights reserved.

Circuit Tester

This is good for testing to see if you have a solid ground.

Avoid touching a live wire and don’t let it touch anything else!

Hold the tester by the insulated portion.

Copyright © Texas Education Agency, 2011. All rights reserved.

Continuity Tester

Will help you identify wires and test switches.

If you have aluminum wiring, don’t mess with it….call a pro!

Copyright © Texas Education Agency, 2011. All rights reserved.

WHEN IN DOUBT

DON’T DO IT! ASK FOR HELP!

Copyright © Texas Education Agency, 2011. All rights reserved.