FOREWORD
INTRODUCTION
4 Protection for safety
400.1 Introduction
41 Protection against electric shocks
410.1 General
411 Protection against both direct and indirect contact
411.1 Protection by extra-low voltages SELV AND PELV
411.2 Protection by limitation of discharge energy
(under consideration)
411.3 FELV system
412 Protection against electric shock in normal service
(protection against direct contact, or basic protection)
412.1 Protection by insulation of live parts
412.2 Protection by barriers or enclosures
412.3 Protection by obstacles
412.4 Protection by placing out of reach
412.5 Additional protection by residual current devices
413 Protection against indirect contact
413.1 Protection by automatic disconnection of supply
413.2 Protection by use of Class II equipment or by
equivalent insulation
413.3 Protection by non-conducting location
413.4 Protection by earth-free local equipotential
bonding
413.5 Protection by electrical separation