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Worksheetspositive isolation
Total questions: 25
Worksheet time: 13mins
What voltage must only be used on-site?
150v
230v
400v
110v
What colour cable is used and denotes the correct voltage for site work?
RED
BLUE
YELLOW
WHITE
What voltage is used for fixed machinery?
400V
110V
230V
150V
What colour cable is used to denote the correct voltage for fixed machinery?
BLUE
RED
YELLOW
WHITE
What colour cable denotes 230v?
BLUE
YELLOW
RED
WHITE
Is this a recognised device for testing positive isolation?
YES
MAYBE
NO
What is the correct name of this item?
AMP METER
VOLT ALERT
MULTIMETER
VOLTAGE TESTER
Can you use this Device for testing positive isolation?
YES
NO
MAYBE
When checking for reversed polarity. What voltage would you expect to find on the neutral and earth connections?
110V
150V
230V
0V
What colour cable is the neutral wire?
BROWN
BLUE
YELLOW AND GREEN
What colour cable is the live wire?
BLUE
BROWN
YELLOW AND GREEN
What is the colour of the earth wire?
BLUE
GREEN AND YELLOW
BROWN
BLACK
GREY
What does P.A.T stand for
Portable apperatus testing
Portable appliance testing
Positive appliance testing
How often should a P.A.T Test be done on hand-held equipment?
SEASONAL
EVERYWEEK
NEVER
3 MONTHLY INTERVALS
What does this symbol indicate?
Double insulated
Trebel insulated
Single insulated
Not insulated
What is the Recognised certification that a plumber must hold in electrical?
PART G
PART P
PART L
PART A
Can you use this instrument to carry out safe isolation?
NO
YES
MAYBE
When turning off the power at the R.C.D or M.C.B you must?
Tell the customer you are turning off the power
Turn all sockets off first
Ask the customer if it is safe to do so
Make sure you have enough water in the kettle
In this image you can see a Proving unit. What is its purpose?
For checking your volt stick is working correctly
For checking your test equipment is working correctly
For checking the earth bonding to the property
For checking for reversed polarity
Identify this item?
Jump Leads
Temporary continuity bonds
Electrical clamps
When working with voltage. What does AC stand for?
Alternating current
Alternative current
Acceptable current
Amps correct
When working with voltage. What does DC stand for?
Double current
Disconnected current
Direct current
Discontinued current
What current is typically found in a battery?
Alternating Current
Direct current
What is the voltage that comes from mains electrics?
Alternating current
Direct current
If you have to turn the RCD/MCB off in a dwelling. You must do what next?
Tell the customer
Lock the RCD/MCB off
Shut the consumer unit door
Keep an eye on it
