Lighting Supporting
Provide lighting standards & directives
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These appliances must have their chassis connected to electrical earth (US: ground) by a separate earth conductor (coloured green/yellow in most countries, green in the US, Canada and Japan). The earth connection is achieved with a 3-conductor mains cable, typically ending with 3-prong AC connector which plugs into a corresponding AC outlet. No single failure can result in dangerous voltage becoming exposed so that it might cause an electric shock and that if a fault occurs the supply will be removed automatically.
A Class II or double insulated electrical appliance is one which has been designed in such a way that it does not require a safety connection to electrical earth (ground). The basic requirement is that no single failure can result in dangerous voltage becoming exposed so that it might cause an electric shock and that this is achieved without relying on an earthed metal casing. This is usually achieved at least in part by having at least two layers of insulating material between live parts and the user, or by using reinforced insulation. A double insulated appliance must be labelled Class II or double insulated or bear the double insulation symbol.
A Class III appliance is designed to be supplied from a separated/safety extra-low voltage (SELV) power source. The voltage from a SELV supply is low enough that under normal conditions a person can safely come into contact with it without risk of electrical shock. The extra safety features built into Class I and Class II appliances are therefore not required.
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International Protection Marking complied with IEC standard 60529, used to define the levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies such as dirt and water.
LEDs are extremely energy efficient and long service time up to 50000hrs,That means energy saving and reduce in maintenance against traditional fluorescent.
The most common light sources and properties, including luminous efficacy, colour rendering index, and dimmability.
The Energy Star is awarded to only certain bulbs that meet strict efficiency,quality and lifetime criteria.
Indicate the degrees of protection provided by enclosures for electrical equipment against external mechanical impacts
Polycarbonate is a top choice for LED lighting, Acrylic,glass,stainless steel,ABS are used widely in lighting