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This Standard applies to single-phase or polyphase, air-cooled (natural or forced) portable inverters having a rated supply voltage not exceeding 60 V ripple-free d.c. and an alternating current (a.c.) output where: - the rated output does not exceed 3 kVA; - the rated output voltage is within the range 50 - 500 volt a.c; - the rated frequency of the output is within the range 40 - 100 Hz.

Adopts ISO 13253:2011 to establish test methods for determining the capacity and efficiency ratings of ducted, air-cooled airconditioners and ducted air-to-air heat pumps; residential, commercial and industrial single-package and split-system airconditioners and heat pumps are included.

Sets out methods of testing building facades for environmental loading including water penetration and air infiltration as well as structural tests.

Specifies inspection and test methods to demonstrate that low voltage electrical installations comply with safety requirements for the prevention of fire, and to prevent a person or livestock from sustaining an electric shock; covers electrical installations connected to an MEN system of earthing.

Adopts ISO/IEC14763-3:2014 to specify systems and methods for the inspection and testing of installed optical fibre cabling designed in accordance with premises cabling standards including ISO/IEC11801, ISO/IEC24764, ISO/IEC24702 and ISO/IEC15018.

Sets out a test method for the determination of ignitability, heat release rates, mass loss rates, effective heat of combustion and smoke release of materials and products when exposed to controlled levels of radiant heating.

Describes a single test method for grading building materials on the basis of ignition tendency, flame spread, heat development and tendency to produce smoke.

Applicable to the design, construction, and installation of refrigerating systems, including piping, components, materials, and ancillary equipment directly associated with such systems.

Outlines minimum requirements for the testing and maintenance of testable backflow prevention devices in the field.