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link 29.06.2009 9:23 |
Subject: through constructional design контекст:9.3.7.2 Protective measures for installations up to 1000 V Protection against dangerous shock currents shall by done for direct and indirect touching. Protection against direct contact All 'live' parts of electrical equipment that can be reached by hand must be protected against di-rect contact either by means of insulation or through constructional design, i.e. coverings, cas-ings, position or arrangement, or by means of special devices. If, in the case of enclosed switch-gear or control cabinets, access is required in the course of normal operation (e.g. for replacing fuses), protection against direct contact must still be ensured when the switchgear or control cabinet has been opened up. Protection against indirect contact ... ... мой вариант: |
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link 29.06.2009 9:44 |
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