Electrical ppt 5

Which factors affect the lethality of electricity?

• Age, body mass, and health

• Height, weight, and diet

• Temperature, humidity, and pressure

• Speed, distance, and time

What is the typical supply voltage in a dwelling mentioned in the document?

• 110 volts

• 230 volts

• 400 volts

• 500 volts

What should be done before replacing or adjusting accessories?

• Isolate any apparatus

• Call a supervisor

• Turn off the lights

• Increase the voltage

What must be ensured about the test circuit during the isolation procedure?

• It is live

• It is dead

• It is locked

• It is labeled

What should be done with the key after locking off the supply?

• Return it

• Discard it

• Keep it with you

• Label it

What is the final step mentioned in the isolation procedure?

• Test the voltage tester

• Post notices

• Identify the circuit

• Keep the key with you

What is not recommended for use due to potential for incorrect measurement?

• Multimeters

• Dedicated voltage indicators

• HSE GS38 approved devices

• Battery-free equipment

What is the first step in selecting a suitable test meter?

• Ensure it is approved to HSE GS38

• Check the color

• Verify the brand

• Confirm the price

What is the key approval standard for test meters in this context?

• HSE GS38

• ISO 14001

• CE Marking

• UL Certification

What might be required if the circuit or appliance is in service?

• Isolation

• Identification

• Permission

• Inspection