Technical training
Basic Technical Training / V8 2023-05-02
ELEMENT 3.3 - PE AND GFCI/RCD
Learning objectives:
31) The participants can explain the function, importance and symbol of GFCI/RCD and PE (Knowledge, intermediate level) 32) The participants can recognise how to identify double isolated tools and that they do not require grounding (Knowledge, basic level) 33) The participants can recognise the importance of grounding an external generator in accordance with the manufacturer’s manual, local legislation and company rules (Knowledge, basic level) 34) The participants can recognise examples of and explain the symbol of GFCI/RCD and PE (Knowledge, basic level) 35) The participants can recognise that not all circuits on a wind turbine are protected by GFCI/RCD’s (Knowledge, basic level)
36) The participants can recognise the relationship between current and contact time (Knowledge, basic level)
37) The participants can recognise and compare the consequences of receiving a shock on a circuit protected by a GFCI and on a circuit without GFCI (Knowledge, basic level)
The instructor shall:
Explain the function and importance of GFCI/RCD and protective earth in tools and equipment.
Explain what can happen when a tool is used without protective earth and GFCI/RCD, and the consequence of improper grounding on tools or equipment in e.g. different situations:
a.
Situation, where there is no PE and, no GFCI/RCD
b.
Situation, where there is PE but, no GFCI/RCD
c.
Situation, where there is both PE and GFCI/RCD
Explain how to identify double isolated tools and that they do not require grounding.
Explain the importance of grounding an external generator in accordance with the manufacturer’s manual, local legislation and company rules.
Show examples of and explain the symbol of GFCI/RCD and PE.
Explain that not all circuits on a wind turbine are protected by GFCI/RCD’s.
Global Wind Organisation / www.globalwindsafety.org
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