International Electrotechnical Commission
Glossary

Terms defined in IEC 62109-1


3.1accessible
3.2basic insulation
3.3battery type
3.4battery - sealed
3.5battery - non-sealed
3.6battery - valve regulated
3.7bipolar photovoltaic (PV) array
3.8clearance
3.9closed electrical operating area
3.10comparative tracking index (CTI)
3.11creepage distance
3.12decisive voltage
3.13decorative part
3.14direct plug-in equipment
3.15double insulation
3.16DVC A
3.17DVC B
3.18DVC C
3.19enclosure
3.20environmental category
3.21equipotential bonding
3.22equipotential bonding conductor
3.23EUT
3.24Extra Low Voltage (ELV)
3.25fire enclosure
3.26fixed equipment
3.27flammability classification of materials
3.28functional earth terminal
3.29functional insulation (FI)
3.30hand-held equipment
3.31hazard
3.32hazardous energy level
3.33hazardous live
3.34hazardous voltage
3.35homogeneous field (distribution)
3.36indoor, unconditioned
3.37indoor, conditioned
3.38inhomogeneous distribution (of an electric field)
3.39Isc PV
3.40limited power source
3.41live parts
3.42low voltage
3.43mains
3.44mains circuit
3.45neutral
3.46normal condition
3.47normal use
3.48operator
3.49operator access area
3.50outdoor
3.51overvoltage category (OVC)
3.52partial discharge extinction voltage (Ue)
3.53permanently connected
3.54PELV system
3.55photovoltaic (PV)
3.56photovoltaic (PV) array
3.57pluggable equipment type A
3.58pluggable equipment type B
3.59pollution
3.60pollution degree
3.61pollution degree 1
3.62pollution degree 2
3.63pollution degree 3
3.64port
3.65portable equipment
3.66power conversion equipment (PCE)
3.67protective bonding
3.68protective bonding conductor
3.69protective class I
3.70protective class II
3.71protective class III
3.72protective earthing
3.73protective earthing conductor
3.74protective conductor terminal
3.75protective impedance
3.76protective separation
3.77rated
3.78rating
3.79reference test conditions
3.80reinforced insulation
3.81residual-current
3.82responsible body
3.83risk
3.84routine test
3.85safety interlock
3.86sample test
3.87secondary circuit
3.88SELV system
3.89service personnel
3.90simple separation
3.91single fault condition
3.92supplementary insulation
3.93terminal
3.94tool
3.95transportable equipment
3.96type test
3.97Vmax PV
3.98wet location
3.99working voltage