Clause 3 – How to understand the definition of “motor-operated appliance”

motor-operated appliance: appliance incorporating motors but without any heating elementNote 1 to entry: Magnetically driven appliances are considered to be motor-operated appliances. Household electrical appliances usually use heating elements or motors to complete their designed functions. The main functions are heating, such as heating food or air, and rotation or mechanical movement of products, such…

Clause 3 – How to understand the definition of “heating appliance”

heating appliance: appliance incorporating heating elements but without any motor. Before introducing this definition, we need to briefly introduce the electric heating elements commonly used in household electrical appliances. PTC heating element: PTC (Positive Temperature Coefficient) heating elements are widely used for various heating applications because of their self-regulating properties and safety features. Here are…

Clause 3 – How to understand the definition of “built-in appliance”

built-in appliance: fixed appliance intended to be installed in a cabinet, in a prepared recess in a wall or in a similar location. Here, because the appliance must be installed in a reserved position (usually a cubic space with only one side open), it is a fixed installation and can be regarded as a fixed…

Clause 3 – How to understand the definition of “fixed appliance”

fixed appliance: appliance that is intended to be used while fastened to a support or while secured in a specific location. The definition emphasizes fastening to a bracket or fixing in a specific position. Generally, we think that this kind of fixation requires some installation actions and some fixing devices, these devices can be fixed…

Clause 3 – How to understand the definition of “stationary appliance”

stationary appliance: fixed appliance or an appliance which is not a portable appliance. Stationary appliance includes fixed appliance and not a portable appliance. The characteristic of a stationary appliance is that once it is put into use, it will be placed in a fixed position. At the same time, the position of the appliances will…

Clause 3 – How to understand the definition of “portable appliance”

portable appliance: appliance that is intended to be moved while in operation or an appliance, other than a fixed appliance, having a mass less than 18 kg. This item is relatively easy to understand. Products that are less than 18kg are relatively light, so they are easy to move during operation, including humidifiers, fans, air…

Clause 3 – How to understand the definition of “protective extra-low voltage circuit”

protective extra-low voltage circuitportable appliance => portable appliance: earthed circuit operating at safety extra-low voltage which is separated from other circuits by basic insulation and protective screening, double insulation or reinforced insulationNOTE 1 Protective screening is the separation of circuits from live parts by means of an earthed screen.NOTE 2 A protective extra-low voltage circuitportable appliance => portable appliance

제3항 – “안전분리변압기”의 정의를 이해하는 방법

안전 절연 변압기: 입력 권선이 이중 절연 또는 강화 절연과 동등한 절연에 의해 출력 권선과 전기적으로 분리되어 기기 또는 회로에 안전초저전압을 공급하는 변압기 여기서 언급하는 변압기는 가전제품이나 회로에 전원을 공급하는 데 사용됩니다. 대부분의 일반적인 변압기는 회로에 전원을 공급하고 일부 변압기는 가전제품에 전원을 공급합니다. 여기서 핵심은 입력 권선과 출력 권선의 절연 조치이며 이중 절연 또는 강화…