Basic Electrical Installation Work

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04 0.4 0.8 Touch voltage curve. The touch voltage curve Fig.06 0.8 shows that person contact with 230 must released from this danger harmful effects are to avoided.15 0.1).02 0.03 0. 10 80100 Voltage (volts) 230V 400V 150 200 300 500 15ms 40ms 0.3 0. Similarly, person contact with 400V must released in 15ms avoid being harmed.5 0. 6.2 0.6 0. Supplementary bonding described Chapter this book. .08 0.8 1 2 3 4 6 8 10 20 40 30 Danger zone Safe zone Time (seconds) FIGURE 6.13.1 0.05 0. Electrical shock and overload protection Electric shock normally caused either touching conductive part that is normally live, touching exposed conductive part made live by a fault.01 0.Basic Electrical Installation Work 134 A permanent label must also fixed visible position near the point connection the bonding conductor with the words ‘Safety Electrical Connection Not Remove’ (IEE Regulation 514