Importance of TIS Standards and Grounding for Electrical Safety

Matichon•Economy•1d ago

Reader Briefing

Lack of electrical grounding and non-standard appliances can lead to fatal electric shocks, as highlighted by a recent tragedy in Khon Kaen.

•A 60-year-old woman died from an electric shock from a moo krata grill in Phu Wiang District, Khon Kaen Province.
•Electrical leaks in heating appliances occur when insulation degrades or moisture and oil seep into electrical components.
•The Thai Industrial Standards Institute (TIS) mandates safety standards for electric grills (TIS 1641-2009) and power strips (TIS 1889-2012).
•Proper grounding systems provide a low-resistance path for leaked current to flow into the earth instead of through a person.

•A 60-year-old woman in Phu Wiang District, Khon Kaen Province, died after being shocked by a leaking electric moo krata grill.
•Electric grills can leak current when internal insulation melts or when water and oil seep into electrical parts, causing electricity to flow to the metal body.
•Using power strips without TIS certification or breaking the third (grounding) prong of a plug removes the primary safety path for leaked current.
•Consumers are advised to purchase electric grills meeting TIS 1641-2009 and power strips meeting TIS 1889-2012 standards.
•The installation of Residual Current Devices (RCD/RCBO) in home electrical panels is recommended to automatically cut power during a leak.
•People should not touch a person being electrocuted with bare hands; they must first disconnect the power or use dry non-conductive materials to move the victim.
•Emergency medical services can be reached by calling 1669 in the event of an electrical accident.

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Phu Wiang District(อำเภอภูเวียง)ℹ️

The location where a 60-year-old woman died from an electric shock from a moo krata grill.

Khon Kaen Province(จังหวัดขอนแก่น)ℹ️

The province where the electric shock fatality occurred in Phu Wiang District.

TIS 1641-2009(มอก. 1641-2552)

The safety standard controlling electric grills, roasting stoves, and similar portable cooking appliances.

TIS 1889-2012(มอก. 2432-2555)

The safety standard for plugs and sockets for residential and general use, specifically extension cords.