Q36. What is overvoltage protection device?
📘 View Explanation
Q37. What is electrical safety audit?
📘 View Explanation
Q38. What is purpose of emergency stop switch?
📘 View Explanation
Q39. What is safe ladder material for electrical work?
📘 View Explanation
Q40. What is importance of PPE inspection?
📘 View Explanation
Q41. What is residual current device (RCD)?
📘 View Explanation
Q42. What is electrical isolation?
📘 View Explanation
Q43. What is safe insulation resistance value?
📘 View Explanation
Q44. What is danger of overloaded extension boards?
📘 View Explanation
Q45. What is role of warning sirens in electrical systems?
📘 View Explanation