class I appliance: appliance in which protection against electric shock does not rely on basic insulation only but which includes an additional safety precaution, in that conductive accessible parts are connected to the protective earthing conductor in the fixed wiring of the installation in such a way that conductive accessible parts cannot become live in…
class 0I appliance: appliance having at least basic insulation throughout and incorporating an earthing terminal but having a supply cord without earthing conductor and a plug without earthing contact. The appliance has a terminal for connecting an external protective conductor (protective earth conductor), but there is no wire for connecting the appliance to the protective…
The type of connection is defined by the manufacturer of the appliance. Generally speaking, it is rare to define it as Type X, because this will bring unnecessary risks to the manufacturer. It is commonly defined as Type Y. Of course, if the power cord is cast, it is generally defined as Type Z. The…
type Z attachment: method of attachment of the supply cord such that any replacement is intended to be made by the manufacturer, its service agent or similar qualified person. The supply cord of some products is molded together with the product and cannot be removed by common tools. Or the power cord of some appliances…
type Y attachment: method of attachment of the supply cord such that any replacement is intended to be made by the manufacturer, its service agent or similar qualified person. Type Y attachment is generally used for supply cords that are difficult to replace, or when dangerous parts may be touched during replacement. Therefore, it is…
type X attachment: method of attachment of the supply cord such that it can easily be replacedNote 1 to entry: The supply cord may be specially prepared and only available from the manufacturer or its service agent. A specially prepared cord may include a part of the appliance. First, this definition is for the supply…
supply cord: flexible cord, for supply purposes, that is fixed to the appliance Generally speaking, most countries have their own mandatory safety and performance testing standards for supply cord. The supply cord here is a certified supply cord relative to the supply leads in clause 3.2.1. In most countries, the maximum current that the plug…
Clause 8.1.1 mentions that the test probe should be used when the appliance is under “normal use”, while clause 8.1.5 is evaluated prior to installation. Products such as these, which are delivered in several parts, generally require on-site installation. “Live parts of built-in appliances, fixed appliances and appliances delivered in separate units, shall be protected at least by basic insulation before installation or assembly.” Here a type of hazard during installation arises. An example is as follows: An air-conditioning…
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