Ubufakazi bokuqhuma kwe-Shenhai
Ukuze kube lula ukufakwa, izindawo ezivikela ukuqhuma zifakwe kokubili amatheminali aphansi angaphakathi nangaphandle. Lawa matheminali enzelwe ukugoqa ngezintambo zethusi ezingu-4.0mm2, ehlanganisa izici zokuvimbela ukuxega nokugqwala.
Ezimeni kusetshenziswa izintambo zepayipi lensimbi kanye namabhokisi okusabalalisa avikela ukuqhuma anezendlalelo ezimbili, ukusetshenziswa kwezixhumi eziphansi kuba ngokungadingekile.