Index
Index agricultural premises 234–9 guidance 235–9 principles 235 purpose 235 requirements 235–9 alterations/additions, identification, conductors 97 ambient temperature de-rating, circuit breakers 125 armoured cables earthing/bonding 167–9 ECA recommendations 169 ERA report 168–9 protective conductors 167–9 sub-mains 65–6 XLPE thermosetting 266–9 atmospheric and switching overvoltages 133 automatic disconnection circuitry design 57–62 ELI 57–63 sub-mains 67 TN-C-S systems 57–63 TT systems 57–63 basic protection earthing/bonding 160 electric shock 5–6, 55–7, 160 basins/swimming pools see swimming pools/ basins bath/shower locations 221–8 electric shock requirements 226–7 equipment selection/erection 227–8 RCDs 226–7 risks 221–2 zone concept 222–6
bonding see earthing/bonding; protective bonding break times classification, safety services 144 BS 6004 PVC thermosetting flat twin and earth cables 266–9 BS 7671: 2008 changes, overview 5–9 introduction 1–3 layout 4 origins 2–3 overview 5–9 plan 4 Building Act 1984 14–15 Building Regulations and Part P 14–15, 18–19 cable couplers 140 cable data resistance impedance and R1 + R2 values 272–5 cable management cable separation 105–6 EMC 105–6 cable separation cable management 105–6 data/control cables 102–5 EMC 102–5 IT cables 102–5 power cables 102–5 sensitive equipment 102–5 cable size circuitry design 30–1 overload protection 34–6 cable specification, fire minimizing 117–19 cable types/installation, standard final circuit designs 75–6
277