Nkawom 
we tebea horow .
1. ahunmu mfiri a ɛwɔ mu no mu wiring a ɛbɛma ahobammɔ ne ogya atumi agyina .
2. cable a wɔde gu ɔmanfo kar akwantu nhyehyɛe te sɛ keteke a ɛnam fam ne nsu a ɛkɔ fam mu .
3. wiring a ahobammɔ wom a wɔde fa anyinam ahoɔden so wɔ data mmeae ne adan a ɛkorɔn mu .
4. electrical equipment connections wɔ petrochemical adwumayɛ mu ne mmeae a asiane kɛse wɔ .
aguade ho nkyerɛkyerɛmu .
saa ade yi yɛ epdm (ethylene propylene diene monomer) ade a wɔayɛ no pɔtee ama cable sheaths ne insulation layers, copolymerized fi ethylene, propylene, ne diene kakraa bi. ɛwɔ wim tebea a ɛkorɔn a ɛko tia, anyinam ahoɔden a ɛbɔ ho ban, ne sɛnea ɛyɛ den wɔ ɔhyew a ɛtrɛw mu, na wɔde di dwuma kɛse wɔ nsu a ɛwɔ ntam a ɛba fam kosi nea ɛwɔ ahoɔden kɛse mu. ɛfata titiriw ma nhama ho banbɔ ahiade wɔ mmeae a ɛyɛ den te sɛ abɔnten so a wɔde to, nhama a ɛwɔ soro, mframa ahoɔden, keteke akwantu, ahoɔden foforo, ne tebea afoforo a ɛyɛ den.
aguade no dwumadi .
wim tebea a ɛyɛ papa a ɛko tia: uv ne ozone a ɛkyɛ no a ɛko tia nnɔnhwerew ≥1500, a ɛfata ma mframa a ɛkɔ soro ne nea ɛwɔ uv adwumayɛ tebea horow mu;
electrical insulation a ɛkorɔn: volume resistivity (101⁵ ω·cm, dielectric ahoɔden ≥20kv/mm (ma ≤138kv adesuakuw);
ogya-nsuo ne nsuo-adanseɛ: ɛdi ul94 v-0 rating, nsuo a wɔtwe no dodoɔ 0.5%, a ɛrensɛe wɔ mmeaeɛ a ɛhɔ yɛ nwini/nnuruyɛbea;
ɔhyew a ɛkɔ soro ne nea ɛba fam a ɛko tia: ɔhyew a ɛyɛ adwuma bere tenten fi -55°c kosi 150°c, a bere tiaa mu ahoɔden a ɛko tia ɔhyew a ɛyɛ hyew 250°c;
mfiridwuma mu nneɛma a ɛyɛ den: tear ahoɔden ≥15kn/m, bending radius ≤6 mpɛn cable diameter, hwɛ hu sɛ adansi ahobammɔ ne laying flexibility.
adwumayɛ ho nkyerɛkyerɛmu .
nneɛma a wɔde gyina so: epdm (ethylene propylene diene monomer) .
wim tebea a ɛko tia: ≥1500h (uv/ozone a ɛyɛ corrosion a ɛko tia) .
ɔhyew a wɔde yɛ adwuma: -55 ~ 150°c (bere tenten) / 250°c (bere tiaa) .
electrical insulation: volume resistivity (101⁵ω·cm .
dielectric ahoɔden: ≥20kv/mm (≤138kv wɔ medium-low voltage tebea mu) .
mfiridwuma mu ahoɔden: nusu a ɛko tia ≥15kn/m; bending radius ≤6×cable diameter .
ogya a ɛrehyew no yɛ adwuma: ul94 v-0 a wɔagye atom .
nsu a ɛko tia: nsu a ɛtwetwe nsu dodow ( .0.5% .
beae a wɔde akwammisa krataa kɔ .
medium-low ne high voltage cable sheaths: nneɛma a wɔde siw nsu ano ne nea ɛwɔ akyi no ho nneɛma a wɔde yɛ nhama ≤138kv .
ahoɔden foforo: cable sheaths ma mframa ahoɔden ne photovoltaic nhyehyɛe, a ɛhwɛ ma adwumayɛ a ɛyɛ den wɔ uv-resistant ne humid-heat environments .
keteke akwantuo/subway nnwuma: nhyiamu ho ahwehwɛdeɛ a ɛfa wim tebea ho a wɔko tia, ogyaframa a ɛnkɔ fam ne ahobanbɔ a ɛbɛtena hɔ akyɛ .
nnwuma a emu yɛ duru ne abɔnten so anyinam ahoɔden nhama: ɛne acid osu, nkyene a wɔde petepete ne nnuru a ɛyɛ hyew a ɛyɛ hyew no yɛ adwuma ma ɛne nneɛma a atwa yɛn ho ahyia no hyia .
po ne hyɛn gyinabea nhama: nsu a ɛyɛ den, nsu a ɛyɛ nwini ne nea ɛko tia nsɛe, ɛma wotumi de ho to so na ɛyɛ adwuma yiye .
