which symbol denotes a double-insulated, electric tool?
a 1
b 2
c 3
d 4

Question

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "direct_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Double Insulation Symbol" ], "new_concepts": [], "current_concepts": [ "Double Insulation Symbol", "Electrical Safety Standards", "Workplace Tool Safety" ] } ## Identify the double insulation symbol The symbol for a double-insulated, electric tool (Class II appliance) is represented by a square within another square (Symbol 4). ## Match with the multiple-choice options Symbol 4 corresponds to option D.

(A) 1

(B) 2

(C) 3

(D) 4

{ "subject": "Others", "question_type": "Multiple Choice", "knowledge_point": [ "Others", "Workplace Safety", "Double Insulation Symbol" ] }

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Question

Explanation:

Identify the double insulation symbol

Match with the multiple-choice options

Answer: