Amayunithi wokufaka ama-compact anezinhlelo zikagesi ezinemizila enikezela ngezindlela ezithembekile nezisebenzayo zokusabalalisa amandla. Umhlahlandlela we-switchchgear, kwiphakeji elilodwa, elihlangene.

Iyunithi yokufaka okuhlangene iyinhlangano yokuzitholela, uhlelo lokusatshalaliswa kwamandla okuhlangene lwenzelwe ukuhanjiswa kwamandla okusebenzayo nokunokwethenjelwa. Umhlahlandlela Wokuguqula, i-switchgear, kanye nemishini yokubheka ephaketheni elilodwa, elisindisa isikhala.
