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Outcome 5
Identify safety critical faults
on electrical components
and systems
Unit 202: Electrical principles and processes for
building services engineering
Critical faults
Consequences
• Electrocution
• Electric shock
• Fire
• Component failure
• Reduced life of component
Critical faults
• Bad workmanship
• Drilling into wires
• Cracked junction
boxes
• Missing earth bonding
• Polarity
Critical faults
• Incorrect fuse size
• Incorrect flex size
• Bad installation
• Burnt flex
• Damaged cables
Critical faults
In the case of any critical fault, always advise your
supervisor – responsible person.
Qualified electricians will be called in to rectify any
installation – competent person.
If a person has suffered an electric shock, the first aider
may need to be called.
Critical faults
When might you have to talk to:
Homeowner
Tenant
Landlord
Site manager (agent)
Other contractors
Caretaker
Managing agents
Facilities manager
Critical faults
When might you have to talk to:
Homeowner
Tenant
Landlord
Site manager (agent)
Other contractors
Caretaker
Managing agents
Facilities manager

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Identify safety critical faults on electrical components and systems

  • 1. Outcome 5 Identify safety critical faults on electrical components and systems Unit 202: Electrical principles and processes for building services engineering
  • 2. Critical faults Consequences • Electrocution • Electric shock • Fire • Component failure • Reduced life of component
  • 3. Critical faults • Bad workmanship • Drilling into wires • Cracked junction boxes • Missing earth bonding • Polarity
  • 4. Critical faults • Incorrect fuse size • Incorrect flex size • Bad installation • Burnt flex • Damaged cables
  • 5. Critical faults In the case of any critical fault, always advise your supervisor – responsible person. Qualified electricians will be called in to rectify any installation – competent person. If a person has suffered an electric shock, the first aider may need to be called.
  • 6. Critical faults When might you have to talk to: Homeowner Tenant Landlord Site manager (agent) Other contractors Caretaker Managing agents Facilities manager
  • 7. Critical faults When might you have to talk to: Homeowner Tenant Landlord Site manager (agent) Other contractors Caretaker Managing agents Facilities manager