Composite hollow insulators. Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1000 V. Definitions, test methods, acceptance criteria and design recommendations1 Scope and object This International Standard applies to composite hollow insulators consisting of a load bearing insulating tube made of resin impregnated fibres, a housing (outside the insulating tube) made of elastomeric material (for example silicone or ethylene propylene) and metal fixing devices at the ends of the insulating tube. Composite hollow insulators as defined in this standard are intended for general use (unpressurized) or for use

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Documentation and quality systems

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It deals in particular with the technology and calibration of propeller-type current-meters

BS EN 16683 on requirements for a call for aid and communication device is useful for:

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BS EN 61131-5 specifies the behaviour of the PC as it provides services on behalf of other devices and the services the PC application program can request from other devices

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