ข้อมูลจําเพาะ

• Polarity detection: Pinch the electric checker and insert terminal A into the outlet until it touches the ungrounded side while touching the contact terminal (do not insert terminal B until it touches the ground).
• Electrostatic test: Insert both terminal A and terminal B deep into the outlet.
• key holder type
• Operating voltage range: 80 VAC, -220 VAC
• Size: 50 x 32 x 12 mm (excluding key holder)
• Mass: 20 g (including key holder)
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