Ukwenyuka kokuphepha ekwakhiweni okuvikela ukuqhuma kugxile ngokwemvelo ekukhuphuleni amaleveli okuphepha. Le ndlela iqinisekisa ukuthi izinto zokusebenza azikhiqizi ama-arcs kagesi noma amazinga okushisa ayingozi ngesikhathi sokusebenza okujwayelekile. Ukuthuthukisa ukuphepha, umklamo uhlanganisa izinyathelo ezengeziwe zokuvala uphawu, ukuvikela emazingeni okushisa ayingozi, ama-arcs, kanye nezinhlansi kuzo zombili izingxenye zangaphakathi nezangaphandle zemishini.
Ngaphakathi, izingxenye ezijwayele ukudala ama-arcs noma izinhlansi azifakiwe. Ngokwesibonelo, i ibhokisi lokuhlangana elingaqhumi izindlu zamabhulokhi kuphela. Ngokungqubuzanayo, i ibhokisi lokulawula elingaqhumi ayinazo izingxenye ezisebenzayo, enezinkomba kuphela, izinkinobho, ama-potentiometers, kanye nezinto ezifanayo zokungenzi lutho. Kuzesekeli eziyinhlanganisela ezivikela ukuqhuma, i-wiring chamber ihlukaniswe ne- angashi Igumbi lisebenzisa i-putty-proof putty.