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?

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