what is the difference between class 1 and class 2 appliances?
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The required PAT tests for Class I appliances are the Earth Continuity and Insulation Resistance tests which will check the basic insulation and earth connection. A Class II appliance usually has a plastic cover. ... Class II appliances have two layers of insulation.
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Products that are ranked at Tier 1 or higher represent the top 25% of appliances on the market relative to energy efficiency. Above Tier 1 are Tiers 2, 3, and 4. The higher the rating, the better the energy savings. Tier 3 represents a highly efficient household appliance.
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Class 1. CLASS 1 LASER PRODUCT. A Class 1 laser is safe under all conditions of normal use. This means the maximum permissible exposure (MPE) cannot be exceeded when viewing a laser with the naked eye or with the aid of typical magnifying optics (e.g. telescope or microscope).
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Class 2 is a classification referring to the NEC – National Electric Code. To avoid potential cable overheating due to excessive currents and electric shock, the output of the power supply is limited to 60VDC or 100VA, (100W when used with an AC-DC power supply).
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– A Class 4 oven is a mid-priced oven from Hotpoint. It will usually offer a better capacity, energy rating and more features than a Class 2 oven, but not be as advanced as a Class 6 oven.
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Class X capacitors are connected from line to line while Y capacitors are connected from line to ground. ... The difference is in the peak voltage rating for the capacitors. Class Y capacitors are divided into 4 types, Y1, Y2, Y3 and Y4. Like X capacitors the different classes have different peak voltage ratings.
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The difference between USB 3.1 Gen 1 and USB Gen 2 is as simple as this: Gen 1 offers 5Gbps speeds, whereas Gen 2 offers 10Gbps. Seriously, that's it. The USB-IF never intended for the those terms to be used in marketing materials, though.
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Class 1 includes most buildings acquired after 1987, unless they specifically belong in another class. Class 1 also includes the cost of certain additions or alterations you made to a Class 1 building or certain buildings of another class after 1987.
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Type 1 hoods are designed to be used with appliances that produce greasy by- products and smoke created while cooking. Type 1 hoods primarily deal with the removal of grease particles from the air they are often referred to as Grease Hoods.
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The single biggest difference between the two is in video quality. The earlier model outputs a 720p video image while the second-generation doorbell provides 1080p. There's also been some improvements in video processing, because the picture from the newer doorbell is significantly better.
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Type 1 hoods are to be used with appliances that produce grease and smoke. ... Type 2 hoods are to be used with appliances that produce only heat and steam and no grease or smoke. Such as dishwashers and pasta cookers.
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Class 1 Equipment Basic insulation and relies on an earth for protection and will receive an Earth Continuity test and Insulation test. Examples of Class 1 equipment are Kettles, Toasters, Irons, Microwaves, Electric Heaters, Fridges, Freezers, Washing Machines and Tumble Dryers etc.
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There is nothing major difference between v1 & v2. V2 have a small light bar on the touch pad so that you can see the light in early version it was only in the front.
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Class 10 is the fastest, suitable for “full HD video recording” and “HD still consecutive recording.” Class 2 is the slowest, suitable for standard definition video recording. ... Class 10 cards are ideal if you're shooting high-resolution videos or RAW photos.
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Both watches feel the same; Series 2 has a brighter display, though. Series 1 (bottom) is a bit thinner than Series 2 (top), but its battery life is also a bit less. ... Both are faster than the original Apple Watch, too. Series 1 has a new processor that's a bit faster, much like Series 2.
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Difference #4: Hardware – The 1st Gen of Kevo Smart Lock comes with a plastic interior, whereas the 2nd Gen has an all-metal housing. The all-metal interior of Kevo Gen 2 looks more attractive when compared to plastic. Plus, it adds durability to the Kevo Gen 2 Smart Lock.
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The major difference is that it is not protected. For example, in a Type I building we will see columns and beams covered with fire resistive spray on material as seen in the first picture. In a Type II building these columns and beams are not protected and will be exposed during a fire.