Electricity Flashcards
Sub station wall fire protection time
4 hours
Identifier located
Conspicuous indicator plate
Smoke issuing from pavements
Under no circumstances should crews lift covers until authbperson has confirmed power is isolated and discharged
Request for elec. which ones?
Power station - responsible person
Overhead cables - national grid, urgent auth person
Sub station - london power networks, auth person
Pavement - auth person
Do not
Pass warning signs to gain access until authbperson in attendance
Ladders or tl
At least 10m away
Ground and aerial monitors
30m away live
Wind turbine cordon
300m
Lfb gloves
3300v
Person lying on top
Must not be touched
High and low voltage
High +1000v ac 1500dc
Low -1000v
Gloves reduced protection
Wet, damaged, damp - dont use and unknown protection
Rescues min safety distance
5m
Ladders
10m ops
20m training
Smoke distance
10m corridor
Hose distance
Hand held jets 20m corridor
Monitors 30m
Hazards to be aware of
Elec shock
Fire
Explosion
Gases or liquids
Trip hazards
Insulating materials
Wind turbine
Prior to taking offensive action
Blades must be ‘locked out’
Overhead power lines safety distance
Any equip 10m away
Safety officers to inform of proximity tl etc
10 corridor either side of line, measured from floor