International Electrotechnical Commission
Glossary

Terms defined in IEC 62282-5-1

3.1basic insulation
3.2double insulation
3.3electromagnetic interference, EMI
3.4electromagnetic disturbance, EMD
3.5enclosure
3.6electrical enclosure
3.7fire enclosure
3.8mechanical enclosure
3.9hazardous location
3.10explosive atmosphere
3.11hazardous energy level
3.12hazardous voltage
3.13heat deflection temperature, HDT
3.14limited current circuit
3.15live part
3.16maximum allowable working pressure, MAWP
3.17maximum operating pressure
3.18operator access area
3.19portable fuel cell power system(s)
3.20portable stand-alone fuel cell power system
3.21reinforced insulation
3.22secondary circuit
3.23SELV, Safety Extra Low Voltage
3.24SELV circuit, Safety Extra Low Voltage Circuit
3.25service personnel
3.26supplementary insulation
3.27thermal stability
3.28tool
3.29touch voltage
3.30uninterruptible power system, UPS
3.31wet cell battery
3.32transportable equipment
3.33hand-supported equipment
3.34hand-held equipment
3.35highly ventilated area
3.36PEN conductor
3.37PEM conductor
3.38PEL conductor