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BS EN ISO 14119:2013
Safety of machinery. Interlocking devices associated with guards. Principles for design and selection (British Standard)
ISO 14119:2013 specifies principles for the design and selection ? independent of the nature of the energy source ? of interlocking devices associated with guards.It covers the parts of guards which actuate interlocking devices. It does not necessarily provide all the specific requirements for trapped key systems.
ISO 14119:2013 provides measures to minimize defeat of interlocking devices in a reasonably foreseeable manner.
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British Standards Institution [bsi]
British Standards Institution [bsi]