Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels, Part 3: Fittings and saddles for a maximum operating pressure of 1 bar (100 kPa)
Erection of Power Installations with Nominal Voltages up to 1000 V - Part 4: Protection for Safety; Chapter 41: Protection Against Electric Shock (IEC 60364-4-41:1992, modified)
Erection of Power Installations with Nominal Voltages up to 1000 V - Part 4: Protection for Safety; Chapter 47: Application of Protective Measures for Safety (IEC 60364-4-47 modified)