small part: part, where each surface lies completely within a circle of 15 mm diameter, or a part where some of the surface lies outside a 15 mm diameter circle but in such a way that it is not possible to fit a circle of 8 mm diameter on any of the surfaces.NOTE A part…
combined appliance: appliance incorporating heating elements and motors. We know that this standard mainly protects against the following five types of dangers, which are electric shock, mechanical damage from moving parts, thermal damage (such as burns), fire damage, chemical and biological damage. Generally speaking, thermal damage is caused by electric heating elements, and mechanical damage…
定格周波数: メーカーによってアプライアンスに割り当てられた周波数。 一般に、定格周波数は、製品設計時の対象市場国の標準実用周波数です。世界中で実用周波数は 50 Hz と 60 Hz の 2 つだけであるため、値は 50 Hz または 60 Hz、または 50 と 60 Hz の両方のみになります。 定格周波数、定格電流または定格電力入力、定格電圧などは、機器を特徴付ける基本パラメータであり、対象市場のニーズやユーティリティ条件から導き出されます。規格に従って試験を行う場合、これらのパラメータに従って試験条件を設定します。したがって、これらのパラメータはテスト前に確認する必要があります。確認しないと、作業の重複が生じ、誤ったテスト結果が生成されます。
all-pole disconnection: disconnection of both supply conductors by a single initiating action or, for multi-phase appliances, disconnection of all supply conductors by a single initiating actionNOTE For multi-phase appliances, the neutral conductor is not considered to be a supply conductor. Single-phase power: An AC power system composed of one live wire and one neutral wire.Three-phase…
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…
8.1.5 Live parts of built-in appliances, fixed appliances, and appliances delivered in separate units shall be protected by at least basic insulation before installation or assembly. Compliance is checked by inspection and the test in 8.1.1.Why is this requirement in place? I believe there are three types of hazards that require protection. The first is…
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