PTS DCCR
What must the conductor rail and its connections be treated as? - answer Live and
dangerous at all times.
What voltage does the conductor rail provide to trains? - answer Up to 750 Volts DC.
How is the live rail mounted? - answer On insulators at the sleeper ends.
What precautions should be taken when near the conductor rail? - answer Do not make
contact, stay at least 300mm away, use insulated tools and appropriate PPE.
What should be avoided when working with the conductor rail? - answer Standing water
that may be in contact with the conductor rail.
What is the purpose of the fourth rail in the London Underground? - answer It is also a
conductor rail and must be treated as live and dangerous.
What should be used when crossing DC electrified lines? - answer An authorized
walking route or conductor rail gap.
How should one step over the conductor rail and adjacent running rail? - answer In one
step, preferably where the ballast is level and there is guard boarding.
What is the risk level for a person making contact with the conductor rail? - answerRisk
Level 1.
What is the risk control for Risk Level 1? - answerIsolation and the issue of a conductor
rail permit.
What is the risk level for work within 300mm of the conductor rail? - answerRisk Level 2.
What should be done to prevent accidental contact with the live conductor rail at Risk
Level 2? - answerFit conductor rail shields.
What is the risk level for work not as close as 300mm of the conductor rail? -
answerRisk Level 3.
Are conductor rail shields required at Risk Level 3? - answerNo, unless there is a risk of
encroaching within 300mm of the conductor rail.
What is risk control for Level 2? - answerSafety measures for Level 2 work.
What must the conductor rail and its connections be treated as? - answer Live and
dangerous at all times.
What voltage does the conductor rail provide to trains? - answer Up to 750 Volts DC.
How is the live rail mounted? - answer On insulators at the sleeper ends.
What precautions should be taken when near the conductor rail? - answer Do not make
contact, stay at least 300mm away, use insulated tools and appropriate PPE.
What should be avoided when working with the conductor rail? - answer Standing water
that may be in contact with the conductor rail.
What is the purpose of the fourth rail in the London Underground? - answer It is also a
conductor rail and must be treated as live and dangerous.
What should be used when crossing DC electrified lines? - answer An authorized
walking route or conductor rail gap.
How should one step over the conductor rail and adjacent running rail? - answer In one
step, preferably where the ballast is level and there is guard boarding.
What is the risk level for a person making contact with the conductor rail? - answerRisk
Level 1.
What is the risk control for Risk Level 1? - answerIsolation and the issue of a conductor
rail permit.
What is the risk level for work within 300mm of the conductor rail? - answerRisk Level 2.
What should be done to prevent accidental contact with the live conductor rail at Risk
Level 2? - answerFit conductor rail shields.
What is the risk level for work not as close as 300mm of the conductor rail? -
answerRisk Level 3.
Are conductor rail shields required at Risk Level 3? - answerNo, unless there is a risk of
encroaching within 300mm of the conductor rail.
What is risk control for Level 2? - answerSafety measures for Level 2 work.
