SBAS562B April 2012 – December 2019 AMC1100
Operational insulation—Insulation needed for correct equipment operation.
Basic insulation—Insulation to provide basic protection against electric shock.
Supplementary insulation—Independent insulation applied in addition to basic insulation in order to ensure protection against electric shock in the event of a failure of the basic insulation.
Double insulation—Insulation comprising both basic and supplementary insulation.
Reinforced insulation—A single insulation system that provides a degree of protection against electric shock equivalent to double insulation.