UL 710-2012 pdf download – Exhaust Hoods for Commercial Cooking Equipment

02-12-2022 comment

UL 710-2012 pdf download – Exhaust Hoods for Commercial Cooking Equipment.
5 Glossary 5.1 For the purpose of this Standard the following definitions apply. 5.2 CIRCUIT, HIGH-VOLTAGE – A circuit having characteristics in excess of those of a low-voltage circuit. See 5.3. 5.3 CIRCUIT, LOW-VOLTAGE – A circuit involving a potential of not more than 30 volts rms alternating-current (42.4 volts peak or direct current), and supplied by a primary battery or by a Class 2 transformer or by a combination of transformer and fixed impedance which, as a unit, complies with all the performance requirements for a Class 2 transformer. 5.4 COMBUSTIBLE MATERIAL – Material made of or surfaced with wood, compressed paper, plain fibers, or other material that will ignite and burn, as applied to materials adjacent to or in contact with heat-producing appliances, grease duct and vent connectors, steam and hot water pipes, and warm air ducts. Such material shall be considered as combustible even though flame proofed, fire-retardant treated, or plastered. 5.5 COOKING APPLIANCE – cooking device used in kitchen operated by gas and/or electricity. APPLIANCE, LIGHT-DUTY – Appliance with a light duty rating. Light-duty cooking appliances, as defined in the IMC, includes gas and electric ovens (including standard, bake, roasting, revolving, retherm, convection, combination convection/steamer, countertop conveyorized baking/finishing, deck and pastry), electric and gas steam-jacketed kettles, electric and gas pasta cookers, electric and gas compartment steamers (both pressure and atmospheric) and electric and gas cheesemelters.
6 Assembly 6.1 An exhaust hood shall include all the essential parts required for its intended function when installed as intended. The equipment shall be shipped as subassemblies. 6.2 An exhaust hood that is not assembled by the manufacturer as a unit shall be constructed so that each subassembly is capable of being incorporated into the final assembly without requiring alteration by the installer. Subassemblies that must bear a definite relationship to each other for the intended operation of the product shall be arranged and constructed to permit them to be incorporated into the complete assembly only in the correct relationship with each other, without requiring for alteration or realignment. 6.3 A part that comes in contact with the operator during intended usage shall be free from sharp edges or projections. 6.4 An adjustable part shall be provided with a locking device to reduce unintentional shifting. 6.5 A screw or bolt used to attach a part that is intended to be detached for care or servicing shall function as intended following the application of the torque specified in Table 6.1 and after removal and replacement.

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BS IEC 63085:2021 pdf download – Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems) UL Standards free download

BS IEC 63085:2021 pdf download – Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems)

BS IEC 63085:2021 pdf download - Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems). 3.6 identification result data including the common name of the inspected and identified liquid...
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