Low-voltage electrical distribution network up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 6. Effectiveness of residual current devices (RCD) in TT, TN and IT systems
Switches for household and similar fixed electrical installations. Part 2-6. Particular requirements. Fireman’s switches for exterior and interior signs and luminaires
€25
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