Lamp controlgear - Particular requirements for d.c. or a.c. supplied electronic ballasts for discharge lamps (excluding fluorescent lamps)1 Scope This part of IEC 61347 specifies particular general and safety requirements for d. c. or a. c. supplied electronic ballasts. The supply comprises a. c. voltages up to 1000 V at 50 Hz 60 Hz. The type of ballast is an convertor that may contain igniting and stabilising elements for operation of a discharge lamp at d. c. or at a frequency that can deviate from the supply frequency. The lamps associated with the ballast are specified in IEC 60188

BS EN 16556 on thermoplastic wood adhesives is useful for:

test parameters and reference standards for the respective test methods are also provided

EN ISO 9934-1:2001

What is BS 2099 - Castors for hospital equipment about

Using BS EN 60763-2 guideline brings standardization in the process of making lamented pressboard

but may be found in the appropriate Parts of BS 3531

The concept of “place” within this International Standard includes “places” not only in the real world but also those in the virtual world

chair stretcher

BS EN 62093 is applicable to lead-acid and nickel-cadmium cells and batteries

BS 4361-4 provides test methods that shall be followed while manufacturing table bandsawing machines

waveform table block

maintenance and inspection facilities