Cable ndị nwere ihe agha na-eji teepu igwe ma ọ bụ teepu aluminom mee ka ihe arụrụ arụ nke eriri ahụ sie ike ka eriri ahụ wee nwee ike iguzogide nrụgide igwe dị n'èzí.. A na-eji teepu ọla kọpa ma ọ bụ waya ọla kọpa kpuchie eriri ahụ echedoro iji kewapụ nnyonye anya mpaghara electromagnetic.
Igwe mkpuchi igwe na ngwa agha cables so na eriri ndị na-agbagwoju anya na ahịa. Ihe kpatara ya bụ na n'ihe gbasara ihe owuwu, eriri ndị a yiri ma ọ bụ karịa ma ha abụọ nwere ihe agha. Isi ihe dị iche n'etiti eriri abụọ ahụ bụ n'ezie metụtara grounding, ọ bụghị ihe agha. Tupu ilekwasị anya na obere ọdịiche a, ka anyị banye n'ọrụ nke ngwa agha na eriri agha.
E ji ígwè mee ihe agha ahụ na eriri ihe agha, dị ka ígwè, ọla kọpa, ma ọ bụ aluminum. Ebumnuche nke ihe agha ahụ bụ inye nchebe anụ ahụ nke eriri site na gburugburu ebe obibi. Ọ na-echebekwa ụdọ ọkụ site na mmebi anụ ahụ. Ya mere, A na-eji waya ndị agha agha naanị na gburugburu ebe n'ibu mmebi nwere ike ime.
Amamihe mmefu ego, Isi uru nke eriri DC na AC karịa eriri ebumnuche izugbe na-enweghị ngwa agha bụ ego a na-akwụ ụgwọ. Ebe ọ bụ na ihe agha na-enye nchebe nke conduits gaara enye, ịkwesighi itinyekwu ego na ya.
Ọ bụ ezie na enwere ọkwa ụfọdụ na-ezighi ezi na isiokwu a n'ịntanetị, eriri ndị agha anaghị echebe eriri site na ihu igwe, kemikal, na mmiri. N'ezie, wires ndị agha na-adaba na corrosion. Ọ bụrụ na ị chọrọ iji eriri agha na ebe mmiri, ị ga-achọ eriri nwere akwa mkpuchi PVC ọzọ, arụnyere nke ọma maka ebe mmiri.
Isi ihe dị iche n'etiti wires AC na DC bụ na eriri igwe nwere igwe nwere waya ala, ebe eriri AC na-adabere na jaket jikọtara ya na waya ma ọ bụ warara iji hụ na ọ ga-agbada. A pụkwara iji ihe agha ígwè mee ihe na eriri njikọ dị ka akụkụ nke ala ụwa. Na eriri ụdị DC, ihe agha abụghị akụkụ nke ala.
Ihe ọzọ dị iche n'etiti eriri DC na AC bụ na a na-eji eriri AC n'ime ụlọ ma ọ dịghị mma maka ebe mmiri na iru mmiri.. Ihe kpatara ya bụ na eriri AC enweghị jaket PVC. Ọ bụ jaket PVC na-eme ka eriri DC dị mma maka ebe dị n'èzí. N'adịghị ka DC, Igwe AC adịghị mma maka olili ozugbo.
Ogologo oge tupu iwebata DC, Igwe ọkụ AC bụ ụdị eriri agha na-ebukarị n'ahịa. Ha pụtara na National Eletriki Code NEC ka n'oge 1903. Taa, Otú ọ dị, Cable DC bụ ihe ọzọ na-agbanwe agbanwe na nke ọgbara ọhụrụ.
Ọ bụrụ na ị chọrọ eriri agha n'ime ụlọ, Igwe AC nwere ike gboo mkpa gị. Na VERI USB, ị nwere ike nweta ụdị ọ bụla nke eriri AC na DC nke àgwà a na-enwetụbeghị ụdị ya na ọnụahịa kacha mma na ụlọ ọrụ.
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