Strana 398 z 399
Poznámky redaktora
motor 210
Sinusoidal waveform 94
Site plan 65
Site safety 274
Skilled person 53
Slips, trips and falls 145
Socket outlet circuits 290
Sockets 294
Space heating circuits 295
.c.I. Units 80
Safe condition signs 23
Safe electrical systems 130
Safe manual handling 165
Safe working above ground 167
Safety documentation 264
Safety signs 12, 22
Scaffold towers 168
Schedule 182
Schematic diagrams 68
Secondary cells 342
Secure supplies 330
Secure/safe electrical isolation 27,169
Security lighting 335
Segregation circuits 314
Self inductance 205
SELV transformer 215
Series connected resistors 104
Series motor 207
Shaded pole motor 212
Short circuit currents 135
Short circuit protection 240
Single phase a.Index
387
M cable 126
M cables 126, 317
Machines 90
Magnetic fields 113
Magnetic hysteresis 206
Magnetism 112
Management Health and Safety at
Work Regulations 9
Mandatory signs 23
Manual handling 145, 165
Martindale voltage indicator 28
Mass 85
MCB’s (miniature circuit breakers) 135,
241
Measuring volts and amps 110
Mechanics and machines 84
MICEIC (National Inspection
Council) 56
Mobile scaffold towers 168
Multimeters 111
Mutual inductance 205
National Grid 117, 223
New wiring colours 124
Non-statutory Regulations 14
Normally closed circuits 332
Normally open circuits 332
Off-peak heating 295
Ohm’s Law 82
On Site Guide (to the IEE
Regulations) 16
On-site documentation 184
Optical fibre cables 331
Ordinary person 53
Overcurrent protection against 135,
239, 244
Overload currents 135, 239
Parallel connected resistors 104
Part Regulations 287
Passive infra-red detectors 335
PAT testing 144
Personal communications 189
Personal hygiene 146
Personal image 189
Phase angle 198
Phasor diagram 197
PIR detectors 335, 337
Plastic plugs 323
PME supplies 281
Polarity testing 356, 358
Positional reference system 71
Potential Difference (PD) 82
Power 88, 201
Power circuits 290
Power factor 201
Power factor correction 203
Power tools 144
PPE Regulations 12
Pressure stress 87
Primary cells 342
Prohibition signs 22
Properties (of conductors and
insulators) 100
Protecting circuits and people 234
Protection against overcurrent 135
Protection from electric shock 132
Protective equipotential bonding 133,
235, 347
Proximity switches 337
PVC cables 125
PVC/SWA cable 126, 316
Radial circuits 290
Rawlbolt 323
RCD protection 237, 252
RCD testing 359
Reactance 195
Reasonably practicable duty care
265
Relay 216
Resistance 82, 84, 195
Resistivity 83
Resistors series/parallel 103
Ring circuits 290
Risk assessment 10, 155
rms value 95
Roles and responsibilities workers
45
S