Page 283 - Electrical Safety of Low Voltage Systems

patient vicinity and, 256
protective conductor interruption, 259–262, 260f, 261f
single fault condition, 256
protective conductor continuity test, 239–240, 240f
in restrictive conducive locations, 252–253
safety requirements, 243–244
soil resistivity measurement, 223–226, 224f, 225f, 226f
step measurement, TN systems, 235–238, 236f, 237f, 238f
in swimming pools, 250–252, 251f, 252f
testing of, 223–242
touch voltage measurement, TN systems, 234–235, 235f
in train stations, 248–250, 249f, 250f
Electrical separation, in medical locations, 257–259, 258f, 259f
Electrical separation protection, 23–25, 24f, 25f, 41–42, 41f
Electrocardiograms (EKGs), 78, 79f
Enclosures, 11–14
Equipotential bonding connections (SB), 129, 193–196