Triple insulated waya kana yakasimbiswa insulated waya iyo inoumbwa nematatu akaturikidzana, inoisa zvachose iyo yekutanga kubva yechipiri yetransformer.Yakasimbiswa insulation inopa akasiyana mazinga ekuchengetedza ayo anobvisa zvipingamupinyi, inter layers matepi uye insulating chubhu mune transformer.
Iyo yakanyanya mukana weiyo katatu insulated waya haisi chete yakakwirira kuputsa voltage iyo inosvika 17KV, asi Mukuwedzera pakuderedzwa kwehukuru uye hupfumi mumitengo yezvinhu yekugadzira transformer.