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| 4421 |
BS EN 60730-1:2016/A2:2022Automatic electrical controls. General requirements. Automatic electrical controls. General requirements. |
| 4422 |
BS EN 60731:2012/A1:2022Medical electrical equipment. Dosimeters with ionization chambers as used in radiotherapy. Medical electrical equipment. Dosimeters with ionization chambers as used in radiotherapy. |
| 4423 |
BS EN 60898-2:2021-TCTracked Changes. Electrical accessories. Circuit-breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. and d.c. operation. Tracked Changes. Electrical accessories. Circuit-breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. and d.c. operation. |
| 4424 |
BS EN 61009-1:2012/A13:2021Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs). General rules. Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs). General rules. |
| 4425 |
BS EN 61094-2:2009/A1:2022Electroacoustics. Measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique. Electroacoustics. Measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique. |
| 4426 |
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| 4427 |
BS EN 613:2021Independent closed-fronted gas-fired type B11, type C11, type C31 and type C91 heaters. Independent closed-fronted gas-fired type B11, type C11, type C31 and type C91 heaters. |
| 4428 |
BS EN 613:2021-TCTracked Changes. Independent closed-fronted gas-fired type B11, type C11, type C31 and type C91 heaters. Tracked Changes. Independent closed-fronted gas-fired type B11, type C11, type C31 and type C91 heaters. |
| 4429 |
BS EN 61340-2-1:2015/A1:2022Electrostatics. Measurement methods. Ability of materials and products to dissipate static electric charge. Electrostatics. Measurement methods. Ability of materials and products to dissipate static electric charge. |
| 4430 |
BS EN 61347-2-7:2012/A2:2022Lamp controlgear. Particular requirements for electric source for safety services (ESSS) supplied electronic controlgear for emergency lighting (self-contained). Lamp controlgear. Particular requirements for electric source for safety services (ESSS) supplied electronic controlgear for emergency lighting (self-contained). |
| 4431 |
BS EN 61400-13:2015/A1:2022Wind turbines. Measurement of mechanical loads. Wind turbines. Measurement of mechanical loads. |
| 4432 |
BS EN 61753-089-02:2022Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorised single-mode bidirectional OTDR monitoring WWDM for category C. Indoor controlled environment. Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorised single-mode bidirectional OTDR monitoring WWDM for category C. Indoor controlled environment. |
| 4433 |
BS EN 61753-089-02:2022-TCTracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorised single-mode bidirectional OTDR monitoring WWDM for category C. Indoor controlled environment. Tracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorised single-mode bidirectional OTDR monitoring WWDM for category C. Indoor controlled environment. |
| 4434 |
BS EN 61754-20:2012/A1:2022Fibre optic interconnecting devices and passive components. Fibre optic connector interfaces. Type LC connector family. Fibre optic interconnecting devices and passive components. Fibre optic connector interfaces. Type LC connector family. |
| 4435 |
BS EN 61770:2009/A12:2022Electric appliances connected to the water mains. Avoidance of backsiphonage and failure of hose-sets. Electric appliances connected to the water mains. Avoidance of backsiphonage and failure of hose-sets. |
| 4436 |
BS EN 61850-5:2013/A1:2022Communication networks and systems for power utility automation. Communication requirements for functions and device models. Communication networks and systems for power utility automation. Communication requirements for functions and device models. |
| 4437 |
BS EN 619:2022Continuous handling equipment and systems. Safety requirements for equipment for mechanical handling of unit loads. Continuous handling equipment and systems. Safety requirements for equipment for mechanical handling of unit loads. |
| 4438 |
BS EN 619:2022-TCTracked Changes. Continuous handling equipment and systems. Safety requirements for equipment for mechanical handling of unit loads. Tracked Changes. Continuous handling equipment and systems. Safety requirements for equipment for mechanical handling of unit loads. |
| 4439 |
BS EN 61951-2:2017/A1:2022Secondary cells and batteries containing alkaline or other non acid electrolytes. Secondary sealed cells and batteries for portable applications. Nickel-metal hydride. Secondary cells and batteries containing alkaline or other non acid electrolytes. Secondary sealed cells and batteries for portable applications. Nickel-metal hydride. |
| 4440 |
BS EN 61975:2010/A2:2022High-voltage direct current (HVDC) installations. System tests. High-voltage direct current (HVDC) installations. System tests. |
