Modulu njikọta nke nwere ụzọ iri nwere kọntaktị U nke ọla kọpa na-ewepụ onwe ya, ọwa waya, na agụba ígwè anaghị agba nchara.
A na-eji ya eme ihe maka iji waya abụọ. Ọ ga-anabata ndị na-eduzi ọla kọpa nke 0.65-0.32 mm (22-28AWG) ma na-anabata mkpuchi kachasị elu nke OD nke 1.65mm (0.065").