supplementary insulation

基本解釋

When sleeving is used as supplementary insulation on internal wiring, it shall be retained in position by positive means.
當(dāng)套管作為內(nèi)部線的附加絕緣和加強(qiáng)絕緣來使用時，它應(yīng)采用可靠的方式保持在位。
NOTE The insulating material is considered to be adequate if it complies with the electric strength test of 16.3 for supplementary insulation.
如果覆蓋在金屬手柄、操縱桿和旋鈕上的絕緣材料應(yīng)通過 16.3中關(guān)于附加絕緣的電氣強(qiáng)度測試。
NOTE 2 The enclosure of an insulation-encased class II appliance may form a part or the whole of the supplementary insulation or of the reinforced insulation.
注2：帶絕緣外殼的II類器具，其殼體可構(gòu)成附加絕緣或加強(qiáng)絕緣的一部分或全部。