Test Quiz ECS Card – Electrotechnical
You should have an understanding of:
• The effects of electric current on the body
• The types of socket outlets used on construction sites
• The need for persons working on electrical systems to be competent to do so
• The use of residual current devices for additional protection against electric shock
• Safe isolation procedures when working on electrical systems and equipment
• Only working ‘live’ in exceptional circumstances
• Safe working with optical fibres
Which of the following work procedures on electrical systems will always require a permit-to-work to be issued?
Which of the following should be used to prove a circuit or equipment is dead after isolation?
A portable electric generator on site has two power outlets, 110 volts and 230 volts. What colour would the 110 volt outlet be?
Optical fibre cable remnants should not be left lying around on site because:
The Electricity at Work Regulations apply to:
What action should you take if a workmate gets an electric shock?
Which of the following statements is true with regard to the dangers of electricity?
Which of the following is not a requirement of low voltage safe isolation practice?
The normal procedure for working on electrical equipment should be which one of the following?
A residual current device is designed to operate in the event of one of the following:
The lowest level of electrical current which can harm the human body is normally measured in:
Why should the end of an optical fibre cable never be pointed towards your own or anyone else’s eyes?
What is the most serious effect that electric shock can have if you come into contact with a live part?
The Electricity at Work Regulations require that:
Which of the following procedures should be used when more than one person will be working on circuits supplied from a distribution board which has been switched off?
When is live working permissible?
An electrical Permit to Work is primarily a statement that:
Which of the following does the Electricity at Work (EAW) regulations apply to?
To prove a circuit or equipment is dead after isolation what is the FIRST activity in the sequence of events?
With regard to the effect of electrical current on the human body, one of the following is correct:
The nominal single phase voltage in the UK is?
Under the Electricity at Work Regulations, live working is considered:
Your job involves you working near to hanging electrical cables which have bare ends. What should you do?
In accordance with the Electricity at Work regulations, when considering whether to work live a responsible person should:
The specific effects on the human body of a major electric shock are one of the following:
Which of the following is not a suitable means of isolating a circuit?
The use of a multi-lock hasp with the appropriate number of padlocks is a recommended method of safe isolation where:
Where there is no local means of isolation for equipment or circuits to be worked on, which of the following is the preferred method of isolation?
Test instruments used for working on electrical systems should:
The maximum AC voltage which the human body can withstand without long term physiological effects in dry conditions is:
The probes of voltage detectors and test instruments used on electrical systems should be:
What colour cable USUALLY signifies 110 volt power supply on site?
For all live working activities it is necessary to:
Electrical installations on construction sites should be periodically inspected and tested:
Which of the following would you use to replace the fuse in a plug if fuses were NOT available?
Where mains voltage is used to supply portable equipment on a construction site, what additional protection is required?
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