Ɛlektrik adwumayɛ .
(1) Resistivity: Kɔbere resistivity no sua koraa sen aluminium de no, na ɛma kɔbere core cables no tumi gyina ano a ɛne no hyia. Eyi kyerɛ sɛ wɔ current koro no ara ase no, kɔbere core cables no ahoɔden a ɛyera no sua, na eyi betumi atew ahoɔden a ɛyera no so.
(2) Current-Carrying capacity: Esiane ne resistance a ɛba fam nti, kɔbere core cables tumi soa current kɛse, bɛyɛ 30% sen aluminum alloy cables a ɛwɔ cross koro no ara-section.
(3) Electrical conductivity: Ɛlektrik a ɛkɔ kɔbere mu no dɔɔso sen aluminium de no, na ɛma kɔbere a ɛwɔ mu no yɛ adwuma yiye wɔ anyinam ahoɔden a wɔde fa mu no mu.
Mfiridwuma mu nneɛma .
(1) Ahoɔden: Kɔbere ahoɔden a ɛwɔ mfiridwuma mu no korɔn sen aluminium de no, titiriw wɔ ɔhyew a ɛkɔ soro mu no, kɔbere adwumayɛ yɛ nea ɛyɛ den kɛse.
(2) Ductility: Kɔbere nso wɔ ductility a eye sen aluminum, na ɛma kɔbere core cables yɛ nea ɛyɛ mmerɛw bere a wɔde rehyɛ mu no, ɛnyɛ den sɛ wobɛkotow na woafa nhama mu afa nsu paipu mu .
