Free Printable Plumbing Level 2 - PP3 - Electrical principles and processes

Worksheets

Name

Class

Date

What should be used to test the voltage indicator on a known source?

Multimeter

Clamp meter

Oscilloscope

Proving unit

What is the HSE testing equipment standard referred to in the text?

GS38

ISO9001

IEC 61010

BS 7671

What should be done to ensure the supply is not switched back on by mistake?

Remove the plug

Disconnect the appliance

Lock and label

Turn off the main switch

Where should you identify the source for the supply?

At the power outlet

At the main switch

At the appliance

At the MCB or fuse

What should be done after switching off the MCB or removing the fuse?

Test the appliance

Lock and label

Check the voltage

Disconnect the appliance

100 %

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