IPA: /nɒn.kənˈdʌk.tɪŋ/
KK: /nɑnˈkɒndʌktɪŋ/
A word used to describe a material that does not allow electricity or heat to pass through it.
Rubber is a nonconducting material, making it safe to use for electrical insulation.
Nonconducting → It is formed from "non-" (meaning not) and "conducting" (from Latin "conductus", meaning led or brought together). The word "nonconducting" means not leading or transmitting electricity or heat.
Think of 'not' ('non-') being used to describe something that does not 'lead' ('conducting') electricity or heat.