Which is the best precaution against electric shock in a mains-powered experiment?

  1. work with wet hands
  2. use bare wires
  3. remove fuses
  4. use an RCD and check insulation
Answer

D) use an RCD and check insulation

Residual current device. SLO P-11-N-04 · Application

Physics MCQ · More Experimental Skills and Data Analysis MCQs · Practise