Incidents involving electricity Flashcards
Name the types of electricity company premises.
- Power stations
- Sub-stations
- Distribution cables/equipment
- Fenced enclosures
- Wind Turbines
In a sub station what fire rating are the internal walls and floors?
4 hour
What will every supply or distribution facility display on its conspicuous indicator plate?
Unique Identifier
How is access restricted to all premises concerned with generation or supply of electricity?
- Secured doors to switch rooms and transformers
- Fencing around installations
What hazards are associated with electricity supply and generation?
- Electric Shock
- Fire
- Explosion
- Hazardous gases/liquid
- Trip hazards
- Insulating materials
What types of insulating materials are used in electrical supply?
- PVC insulation
- Polychlorinated Biphenyls
- Sulphur Hexafluoride
Who are the responsible persons at electrical incidents?
Power Stations - onsite personnel
Overhead cables - National Grid
Sub station - Distribution network authorised person
Wind Turbines - onsite personnel
When are crews allowed to pass warning signs or gain access to areas with warning signs?
When the authorised or responsible person is in attendance.
What should IC’s consider when isolating power to a premise?
- Machine processes
- Absence of electrical supplies affecting occupant safety or welfare.
- The adverse impact on business continuity.
What should not be applied directly to live apapratus?
Water or foam
When awaiting a responsible person, crews should focus their efforts how?
Protecting surrounding risks.
Ground and aerial monitors should not be used within what distance of a live conductor?
30 metres
Who should deployed at incidents at overhead power lines?
Safety Officers
What size cordon should be initially considered at a wind turbine incident?
300m diameter
What is the maximum protection given by LFB electrical gloves?
3300v
