Wire a Ɛsensɛn Baaba Anaasɛ Ahwease Wɔ Wo Kar Kwan anaa Abɔnten So: Nea Enti a Wobetumi De Ahoɔden Ama Cable TV anaa Telefon Line a ‘Ɛnyɛ Asiane’ a Ɛyɛ Volt 7,200¶

Sɛ wofiri adi kɔ wo kar kwan so wɔ aprannaa, nsukyenee ahum, mframa a ɛbɔ akyi, anaasɛ wotwam wɔ lɔre a wɔde nwura gu mu a ɛyɛ mmerɛw sɛ wubehu waya tuntum a ɛyɛ den a ɛrehwe ase mita 1 (anammɔn 3) afi asphalt no so atwa wo bamper no so - anaasɛ woda sare a ɛyɛ nsu mu komm a wunni ogyaframa, nnyigyei, anaa wusiw a ɛyɛ hu biako mpo - sɔ afiewuranom mpempem pii hwɛ afe biara ma wɔyɛ owudifo mfomso: "Me fie kanea ne Wi-Fi da so ara sɔ, na saa waya yi wɔ rɔba tuntum a ɛyɛ den a ɛbɔ ho ban (anaasɛ ɛkɔ Comcast/Spectrum/AT&T adaka a ɛwɔ me fie nkyɛn no mu), enti ɛyɛ cable TV anaa telefon nhama a awu a asiane biara nni ho ara kwa. Mɛfa nnua broomstick anaa adwuma nsateaa kɛkɛ, de agyina me SUV atifi, anaasɛ mɛtetew no afi kwan no so sɛnea ɛbɛyɛ a me betumi aka kar akɔ adwuma." Wɔ anyinam ahoɔden adwumayɛbea forensics ne OSHA owu ho nhwehwɛmu mu no, saa adwene pɔtee no ne ade #1 a ɛde anyinam ahoɔden bɔ wɔ atrae a waya ahwe ase.

Nteaseɛ mmiɛnsa a ɛdi awuo wɔ hɔ a enti onipa aniwa biara nni hɔ - mpo lineman a wadi mfeɛ aduasa a ɔyɛ adwumaden a ɔgyina kwan ho a onni high-voltage proximity detector ("tick tracer") ne insulated fiberglass hot-stick - betumi ahu denam hwɛ a wobɛhwɛ sɛ ebia waya a ɛsensɛn wo kar kwan no so no bekum wo bere a wo ne no di nkitaho no so: 1. Akyirikyiri Mfitiase Mmeamudua-Ahoɔden ("Joint-Use Pole Contact") Akwansin Abiɛsa: Nnua a wɔde di dwuma no kura 7,200-kɔsi-34,500-volt bare primary distribution lines wɔ soro pɛɛ, 120/240-volt secondary power lines wɔ mfinimfini, ne Telecommunications (Cable TV Coax, Telephone Copper, and Fiber-Optic) nhama a wɔde abɔ dade a emu yɛ duru a ɛda hɔ kwa so Messenger Strand (support wire) mita 1.2 (anammɔn 4) wɔ anyinam ahoɔden nhama no ase. Sɛ dua bi hwe ase anaasɛ kar bi bɔ dua bi akwansin anan wɔ abɔnten so fi baabi a wubetumi ahu a, 7,200-volt primary power line hwe ase kɔ dade telecom messenger strand anaa dade fiber akode no so. Saa 7,200 volts no tu kwan komm kilomita pii sian dade a ɛboa wo "a asiane biara nni" Cable TV anaa fiber line no mu kɔ wo kar kwan so pɛɛ a enhintiw substation breaker no. 2. Weather-Covering NNYƐ Electrical Insulation: Plastik jacket tuntum no (polyethylene weather-covering) wɔ soro triplex service-drop tumi nhama ne dua waya (spacer cable) yɛ engineered nko ara sɛ ɛbɛbɔ aluminium waya no ho ban afi owia hann ne osu ho - WƆNYƐ sɛ ɛbɛbɔ onipa nsa ho ban afi anyinam ahoɔden ho, na UV owia a ɛda adi no mu paapae te sɛ dua a ayow ma enti mprempren arcs tẽẽ fa nsateaa anaa nnua broomstick a ɛyɛ nwini mu. 3. Ɛkame ayɛ sɛ Downed Wires Never Spark or Arc on Asphalt or Grass: Sini ahorow kyerɛ anyinam ahoɔden nhama a ahwe ase a ɛrebɔ akɔneaba te sɛ ogya ɔtweaseɛ. Wɔ asetena mu ankasa no, asphalt a ɛyɛ dry, kɔnkrit, ne efĩ wɔ anyinam ahoɔden a ɛtumi siw ano kɛse: 13,800-volt primary wire anaa 240-volt service drop a ɛda kar kwan so no taa tra 100% komm, entumi nkɔ baabiara, na enni ogyaframa kosi sɛ obi nsa anaa ɔkraman nan bɛka no na ama ɔkwan a ɛnyɛ den pii akɔ fam.

(Sɛ wopɛ kar a wɔakyere no wɔ kar mu a wɔahwe ase anyinam ahoɔden nhama ho nhyehyɛe ne bunny-hop anammɔn-a ebetumi aguan a, hwɛ Tumi nhama a ahwe ase ne kar mu anyinam ahoɔden a ɛbɔ. Sɛ wopɛ nhama a ɛda ofie atifi anaa ban a wɔde nkɔnsɔnkɔnsɔn abɔ so a, hwɛ Tumi nhama a ahwe ase wɔ ofie anaa gyaade ban so na Stray voltage a ɛwɔ dade mmɔnten so akanea, kwan ho manhole a wɔde kata so, ne akraman a wɔnantew shocks so, na yɛkora yɛn wiase nyinaa so nɔma ahorow a egye ntɛmpɛ directory a wotumi kɔ mu.)

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Yɛ eyi mprempren¶

1. Anyɛ yiye koraa no, tena mita 10 (anammɔn 35) fi hama biara a ahwe fam anaasɛ ɛsensɛn fam ho - na fa mmofra, afieboa a wɔde hama abɔ wɔn, ne afipamfo san wɔn akyi ntɛm ara.
2. Fa 100% a ɛwɔ soro nhama (thick, thin, braided, flat, black-coated, or bare metal) sɛ ahoɔden wɔ 7,200+ volts kosi sɛ utility lineman bi bɛsɔ line no ahwɛ na ɔde ahyɛ fam.
3. Sɛ waya no reka dade nkɔnsɔnkɔnsɔn ban a wɔde abɔ mu, dade awɛmfo keteke kwan, aluminium gutter, downspout, dua nkorabata a ɛyɛ nsu, anaa atɛkyɛ a, anyɛ yiye koraa no, tena akyirikyiri mita 10 (anammɔn 35) fi saa ban anaa atɛkyɛ no tenten nyinaa ho (a metal chain-link fence conducts lethal voltage for 300+ meters / 1,000+ feet down the block).
4. MFA nnua a wɔde yɛ broomstick, PVC paipu, rake, dua nkorabata, anaa rɔba nsateaa nka, npia, mma so, anaa mfa nhyɛ waya a ɛsensɛn fam no da.
5. Wɔ 7,200 kosi 13,800 volts, anyinam ahoɔden a ɛkorɔn tu kwan a ɛnyɛ mmɔdenbɔ biara fa nsu nketenkete, mfutuma a ɛwɔ soro, nnua mu nsu, anaa varnish a ɛwɔ nnua broom nsa anaa PVC paipu so, na ɛhyerɛn tẽẽ kɔ wo nsa ne wo moma so wɔ milisekɔn biako mu. dielectric-asɔ ahwɛ 100-kilovolt anammɔn biara fiberglass lineman Hot-Stick a wɔde silicone popaa hohoro nkutoo na ebetumi aka nhama a ɛwɔ soro dwoodwoo.
6. MMFA wo kar anaa lɔre nka waya a ahwe ase a ɛda abɔnten anaa wo kar kwan no atifi da (and NEVER try to drive under a sagging wire that might snag your roof rack or antenna).
7. Nea Enti a Sɛ Woka Kar Wɔ Wire a Ahwe ase So Owu:
   • Asiane A (Mechanical Entanglement): Sɛ w’anim tae no hwirew wɔ dade waya anaa triplex nhama a ayɛ den so a, tae a ɛretwintwam no tread anaa breki caliper no taa hok na ɛkyekyere waya no wɔ wo aksel anaa undercarriage ho. Bere a wo kar no kɔ w’anim mita 2 (anammɔn 6) no, wode basabasayɛ twen utility dua anaa ofie no wim tebea no sian kɔ wo kar no atifi, na ɛkyere wo wɔ kar a ahoɔden wom mu.
   • Asiane B (High-Voltage Tire Blowout & Fire): Bere a carbon black wɔ rɔba tae mu na ebetumi ama ahoɔden a ɛkɔ soro no, sɛ wohuruhuruw tẽẽ wɔ 7,200V line so a, ɛma current arc kɛse bi fa radial tae funu a wɔde dade abɔ so no mu, ɛpae tae no na ɛde ogya to kar no mu.
8. Frɛ 911 (anaa 112 / 999) NE wo Electric Utility no 24/7 Emergency Downed-Wire Hotline KAN (sɛ mpo wowɔ awerɛhyem 99% sɛ ɛyɛ Cable TV, Phone, anaa Fiber waya a).
9. Nea Enti a Ɛsɛ sɛ Wodi Kan Frɛ Electric Utility, Ɛnyɛ Comcast / Spectrum / AT&T / Verizon: Sɛ wofrɛ cable TV anaa intanɛt adwumakuw bi bɔ amanneɛ sɛ waya a ɛba fam wɔ wo kar kwan no so a, wɔn kɔmputa a ɛhwɛ adetɔfo so no yɛ nhyehyɛe ma kar a wɔde di dwuma daa no ma "Dwoda a edi hɔ no wɔ 1:00 PM ne 5:00 PM ntam." Nea enye koraa no, bere a telecom ho nimdefo no adu hɔ no, HA mmara ahorow (29 CFR § 1910.268) bara cable/phone ho nimdefoɔ katee sɛ ɔmfa ne nsa nka drop wire a ahwe fam sɛ hokwan biara wɔ hɔ sɛ anyinam ahoɔden bɛka ho kɔsi sɛ Electric Utility no bɛpopa dua no.
10. Ɛdenam frɛ a wobɛfrɛ 911 ne wo Electric Utility no 24/7 Emergency Dispatch na woabɔ amanneɛ sɛ "Downed / Low-Hanging Overhead Wire Blocking the Driveway/Street at [Address] (Pole #[Number])", anyinam ahoɔden adwumayɛbea no soma ntɛmpɛ Ɔhaw (First-Responder Lineman) ne bokiti lɔre a ahoɔden kɛse wom a wɔde bɛsɔ waya no ahwɛ sɛ ahoɔden wom anaa na wɔatwitwa anaa wɔde abɔ ho ban dwoodwoo wɔ nnɔnhwerew pii mu.
11. Fa kar akwan a ɛyɛ borɔdɔma a ɛhyerɛn, nwura kotoku, anaa kar a esi hɔ (anyɛ yiye koraa no, mita 10 / anammɔn 35 akyi a wɔde asiane ho afiri ahyɛ mu) si hɔ de bɔ kar a wɔde fa nneɛma, sakrekafo, ne motokafo kɔkɔ ansa na ade asa.
12. Waya tuntum a ahwe ase a ɛsensɛn mita 1.2 kosi 2.5 (anammɔn 4 kosi 8) wɔ abɔnten anaa kar kwan so no yɛ 100% a wontumi nhu no anwummere anaa anadwo. Ahum bere biara, sakrekafo, motokafo, mmirikatufo, ne Amazon/UPS delivery vans hu amane a edi awu ntama hama a wɔatwitwa anaasɛ wɔn kɔn mu apirakuru - anaasɛ wɔtwe anyinam ahoɔden nnua a ɛte ase - denam kar a wɔtra anaasɛ wɔde kar kɔ nhama tuntum a ɛrehwe ase a enni agyiraehyɛde mu anadwo so. Gyina baabi a ahobammɔ wɔ a ɛwɔ mita 15 (anammɔn 50) a kanea a wɔde tow kanea wosow kar ahorow a ɛreba no ma wogyina kosi sɛ polisifo anaa odumgyafo teyp befi abɔnten so.

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Gyinaesi dua: Wire a ɛsensɛn fam anaasɛ ahwe ase wɔ wo kar kwan anaa abɔnten so a wubehu na woayɛ ho biribi¶

flowchart TD
    Start["Wire a Ɛkɔ fam Anaasɛ Ɛsensɛn Driveway, Yard, anaa Street"] --> KeepBack["Anamɔn 1: GYINA Mita 10+ (Anamɔn 35+) Akyi; Mfa Nsa, Nsateaa, Broomstick, anaa PVC Pipe Nka Da"]

    KeepBack --> DriveCheck{"So Wire no Siw Wo Kar no Siw Wɔ Garage/Driveway no Mu?"}

    DriveCheck -->|"YIW: Wire Across Driveway"| DoNotDrive["Anamɔn 2: MMFA Kar Nkɔ Waya no So Anaasɛ (Tae Hok Wire & Pull Pole/Weatherhead Down; 7,200V Blows Out Tires)"]
    DriveCheck -->|"DABI: Wɔ Yard anaa Street"| CheckDanger{"Anamɔn 3: So Wire no Rehyew, Renom Sigaret, Ɛka Kar/Ban, Anaasɛ Ɛsiw Ɔmanfo Kwan?"}
    DoNotDrive --> CheckDanger

    CheckDanger -->|"YIW: Ogya a Ɛyɛ Den, Kar a Ɛkyere, Ban a Ɛma Ahoɔden, anaa Ɔkwan so Asiane"| Call911Now["Anamɔn 4A: FRƐ 911 / 112 / 999 NTAM + Frɛ Electric Utility 24/7 Emergency Line (Bɛsa ‘Priority 1 Wire Down’)"]

    CheckDanger -->|"DABI: Sɛnsɛn Ba fam Wɔ Yard/Driveway a Enni Sparks"| CallElectricFirst["Anamɔn 4B: Frɛ Electric Utility 24/7 Emergency Line KAN (Sɛ wopɛ sɛ wohwɛ sɛ Zero Voltage & Clear Pole) + Telecom Drop Line"]

    Call911Now --> GuardScene["Anamɔn 5: Fa Nwura Toa / Cones To Akyi Mita 10+ (35 ft) sɛnea ɛbɛyɛ a Sakraman, Moto, ne Delivery Vans Renbɔ Wire"]
    CallElectricFirst --> GuardScene

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Ɔfã 1: Sɛnea wɔahyehyɛ utility poles fi soro kosi ase (And how 7,200 volts jumps into the "Communication Space") .¶

Bere a ɛsɛ sɛ wofa waya biara a ahwe ase sɛ ahoɔden a edi awu, te sɛnea Amerika Atifi fam (NESC C2) anaa amanaman ntam utility dua a wɔahyehyɛ no fi soro kosi ase boa wo ma wode amanneɛbɔ a ɛyɛ nokware ma 911 ne anyinam ahoɔden dispatcher fi akyirikyiri a ahobammɔ wom a ɛyɛ mita 15 (anammɔn 50) denam wo fon no camera zoom so:

Visual & Electrical Anatomy of a Joint-Use Utility Pole (Afi ase kosi ase) .¶

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Ɔfã 2: Nea enti a wo fie akanea da so ara tumi DAN bere a anyinam ahoɔden waya a ɛte ase da wo kar kwan no so no¶

Atosɛm a ɛto so abien a ɛyɛ hu sen biara a ɛfa anyinam ahoɔden nhama a ahwe ase ho ne sɛ: "Mehwɛɛ me fie mu na yɛn kanea, frigye, ne TV nyinaa reyɛ adwuma sɛnea ɛsɛ, a ɛkyerɛ sɛ waya a ahwe ase wɔ me gyaade no NNYƐ anyinam ahoɔden nhama."

afiri anan a ɛma anyinam ahoɔden ho nimdeɛ a enti waya a ɛda wo kar kwan so no betumi ayɛ 100% atena ase ne anyinam ahoɔden a edi awu bere a wo fie da so ara wɔ ahoɔden a edi mũ ni: 1. Mmienu no mu BAKO pɛ 120V Nan a Ɛyɛ Hɔ ( .or the Neutral) a Wo 120/240V Triplex Drop Abubu: - Wo fie anyinam ahoɔden adwuma a ɛwɔ soro no so tew (Triplex) no yɛ nhama abiɛsa a wɔakyinkyim no: Hot Leg L1 (120V), . Hot Leg L2 (120V), ne nea Bare Neutral/Messenger Wire. - Sɛ nkorabata bi a ɛrehwe ase twa Bare Neutral support wire no (enti triplex nhama a emu yɛ duru no nyinaa hwe ase kɔ wo kar kwan so a ɛnsɛe L1 na L2), ANAA sɛ biako pɛ a 120V waya a ɛyɛ hyew tetew mu wɔ dua no splice bere a ɔfoforo no 120V nan no kɔ so yɛ adwuma, kanea ne nhama a ɛwɔ wo fie mu a ɛyɛ volt 120 no fã anaa ne nyinaa bɛkɔ so ahyerɛn, bere a nea abubu no te ase 120V waya (capable of delivering 400+ amps before the transformer fuse blows) no rehome wɔ wo kar kwan so tẽẽ. 2. Twɛn-Tebea wɔ Neutral a Abubu ("The Open-Neutral Voltage Swing"): - Sɛ wo triplex drop no dwetɛ neutral waya a ɛda hɔ kwa no pae wɔ mframa mu a, awiei a abubu a ɛbata wo fie weatherhead ho no bɛyɛ ahoɔden a edi awu wɔ 120 Volts denam w’ankasa frigye ne fononoo adesoa a ɛsan ba so, bere a wowɔ wo fie mu no, adan bi mu yɛ kusuu ma 60V na adan afoforo nso surge kɔ 180V (sigaretnom surge protectors ne mfiri ahorow). 3. Ɛyɛ Wo Fipamfo a Ɛbɛn Wo Ɔsom Drop, Streetlight Feed, anaa Secondary Bus Span: - Transformer biako a ɛwɔ pole-top no taa de mid-span taps anaa secondary bɔs ahorow ma afie 4 kosi 8 aduan. Ebia waya bi a ahwe ase wɔ wo gyaade no so no rema abɔnten so kanea amansin no anaa wo fipamfo kar dan no aduan bere a w’ankasa wo service drop no da so ara yɛ nea wɔmfaa wɔn nsa nkaa no. 4. Asase so Mfomso a Ɛho Hia ("Hi-Z Faults") so 7,200V Primary Lines NHWƐ Substation Breaker no mu: - Afiewuranom susuw sɛ sɛ 7,200-volt primary power line pae na ɛtɔ kɔ kar kwan, dua, anaa telecom nhama so a, ɛyɛ adwuma te sɛ ofie mu kwan tiawa na ɛbɔ circuit breaker a ɛwɔ utility substation no mu ntɛm ara. - Grid Nokwasɛm: Wɔayɛ substation feeder circuit breaker bi sɛnea ɛbɛyɛ a ɛbɛfa 400 kosi 600+ Amps (enough power to run 1,500 homes simultaneously) a ɛnyɛ hwee. Sɛ waya a ɛyɛ volt 7,200 a abubu hwe ase wɔ asphalt a ayow, kɔnkrit, sare, anaa dua nkorabata so a, asase no a ɛko tia no to mfomsoɔ a ɛwɔ hɔ no ano hye ma ɛyɛ Amps 10 kɔsi 50 pɛ. Wɔ substation kɔmputa no fam no, 30 Amps a ɛboro so no te sɛ afipamfo du a wɔredan wɔn air conditioners anaa EV chargers - enti substation breaker no NNSI DA, na utility control room no wɔ ZERO automated alarm sɛ 7,200V waya no da fam kosi sɛ wobɛfrɛ 911.

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Ɔfã 3: Na sɛ lɔre a wɔde nwura gu, kar a ɛretu, anaa dua no fã bi kyeree waya bi a ɛsensɛn fam na ɛretwe wo fie nso ɛ (The "Weatherhead Tear-Off" Hazard)?¶

Mpɛn pii no wɔ mframa a ɛbɔ akyi anaasɛ bere a lɔre tenten bi a wɔde nneɛma kɔma nkurɔfo (U-Haul, Amazon, FedEx, or Municipal Garbage Truck) de kar fa abɔnten a nnipa te so, lɔre no adaka no atifi ntwea so snags Triplex Electric Service Drop anaa Coax/Fiber Drop a ɛsensɛn fam a ɛtwa abɔnten no kɔ wo fie.

Ntɛm ara Structural & Electrical Triage Bere a Wɔtwe Wire Bi Tight Tia Wo Fie¶

1. Hwɛ Wo Roof Eaves Fi Fam (10+ Meters / 35 Feet Away) sɛ wobɛhwɛ Sɛ Wɔatwe Electric Mast anaa Siding no Ahonhon:
2. Sɛ Telecom no Kɔ fam a (Cable/Fiber) Was Pulled: Wɔde weak-link plastic/metal breakaway P-hook ( ) na ɛyɛɛ telecom drops (house hook) a wɔde nkɔnsɔnkɔnsɔn abɔ wo fascia board anaa siding a ɛbɛn ofie no ntwea so no mu. Mpɛn pii no, P-hook no tetew fi nnua no siding no mu a asiane biara nni ho a ɛnsɛe wo anyinam ahoɔden nhyehyɛe no.
3. Sɛ Electric Service no Kɔ fam a (Triplex) Wɔtwee (DANGER): Ɛlektrik adwuma no de ankora gu dade a emu yɛ duru a ne kɛse yɛ 50-millimeter (2-inch) so (the Service Mast / Riser) anaasɛ porcelain clevis a wɔde bolt abɔ wo akyi ahwehwɛ/digital Electric Meter Socket no atifi tẽẽ. Sɛ lɔre anaa dua bi a ahwe ase twetwe anyinam ahoɔden nhama a ɛyɛ abiɛsa a:
   • Ɛbɔ dade som mast no kɔ soro digrii 45 (tearing open your roof shingles and flashing);
   • Ɛtetew akyi Aluminum Electric Meter Box no fã fi birikisi anaa vinyl siding no so; na
   • THE HIDDEN IN-WALL FIRE HAZARD: Sɛ wotwe abɔnten mita socket no kɔ fam a, ɛtwetwe nea emu yɛ duru no 2/0 aluminium anaa kɔbere Ɔsom kwan a wɔfa so kɔ (SE) Cable a ɛretu mmirika wɔ wo fasu mu akɔ wo Main Indoor Circuit Breaker Panel atifi, a ɛtwe 200-Amp Main Lug Conductors a enni insulated no tẽẽ kɔ wo breaker adaka no dade a ɛyɛ nnam knockout ring no so (which sits BEFORE your main breaker and cannot trip).
4. Sɛ Wo Abɔnten Electric Mita Adaka, Conduit Pipe, anaa Weatherhead Bɔn, Twe Fi Ɔfasu no Ho, anaasɛ Ɛreyɛ Hissing:
5. MMFA wo nsa nka abɔnten mita adaka, aluminium siding, anaa dade downspouts (the entire metal skin of the meter box and aluminum siding can be energized at 120/240V).
6. MMFA wo nsa nka wo dan mu dade circuit breaker panel pon sɛ wote sɛ ɛreyɛ gyegyeegye, ɛrebɔ, anaasɛ wote bakelite/plastic a ɛrehyew hua wɔ baabi a ɛbɛn panel no a.
7. Tu fi fie hɔ ntɛm ara na frɛ 911 ne wo Electric Utility na bɔ amanneɛ sɛ "Energized Service-Mast Pull-Out / Damaged Meter Socket wɔ." [Address]." Utility lineman no bɛtwa triplex nhama a ɛwɔ soro no wɔ dua no so (de-energizing the mast), ɛno akyi no, anyinam ahoɔden ho nimdefo a ɔwɔ tumi krataa betumi asan de bolt abɔ mast ne mita adaka no mu ansa na utility no asan de anyinam ahoɔden abɔ mu.

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Mpɔtam hɔ ntɛmpɛ nɔma ne adwumakuw no nhyehyɛe ahorow¶

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Nsɛm a wɔtaa bisa¶

Na sɛ waya bi a ahwe ase hwe me kar no so bere a mete mu wɔ me kar kwan so no nso ɛ?¶

Sɛ waya bi a ɛwɔ soro no hwe wo kar no so bere a wowɔ mu a, **TENA KAR NO MU**. Bere tenten a wobɛkɔ so tena dan no mu a worenka dade apon no, wo kar nipadua no yɛ adwuma sɛ **Faraday afiri** a ahobammɔ wom (sɛ mpo wɔama waya no ahoɔden wɔ 7,200 volts a). Bɔ wo abɛn, bɔ mfɛnsere no ase kakra nteɛm nkyerɛ wɔn a wɔrehwɛ no sɛ **anyɛ yiye koraa no, wɔntra akyi mita 10 (anammɔn 35)**, na frɛ **911** wɔ wo fon so na ka kyerɛ nea ɔde kɔma no sɛ woakɔhyɛ kar bi mu wɔ waya a ahwe ase ase sɛnea ɛbɛyɛ a anyinam ahoɔden afiri no adum nhama no. **MMFI kar no mu da a wo nan biako da fam bere a wo nsa anaa wo nan foforo reka kar no** (`doing so bridges the 7,200-volt vehicle body directly to the earth through your heart`). Ade NKUTOO nti a ɛsɛ sɛ wufi kar no mu da ansa na utility no de-energizes line no ne sɛ **kar no mu gya hyew**: sɛ wuhu wusiw anaa ogyaframa a, bue ɔpon no a wonka dade frame no, twa wo nsa fa wo moma so, **huruw pefee koraa ma enti wo nan abien no nyinaa bɛbɔ fam wɔ bere koro no ara mu pɛpɛɛpɛ (`never touching the car and ground simultaneously`)**, ne **shuffle anaa bunny-hop a wɔde anan abien no nyinaa mia mu denneennen** anyɛ yiye koraa no **mita 10 kosi 15 (anammɔn 35 kosi 50)** (`see` [Tumi nhama a ahwe ase ne kar mu anyinam ahoɔden a ɛbɔ](../accidents/downed-power-lines-and-vehicle-electrocution.md)).

Mɛyɛ dɛn ahu nsonsonoe a ɛwɔ akyirikyiri mita 15 (anammɔn 50) wɔ me fie de no ntam 120/240V Electric Service Drop (Triplex) ne me Cable TV / Fiber waya no?¶

Bere a ɛnsɛ sɛ **woka waya abien no mu biara da** (efisɛ wobetumi de Cable TV/Fiber line bi cross-energized wɔ 7,200V afi abɔnten so), wubetumi ama 911 dispatcher no nkyerɛkyerɛmu a edi mu denam hwɛ a wobɛhwɛ **ahyɛnsode abien a wotumi hu fi mita 15 (anammɔn 50) akyi**: 1. **Hwɛ Baabi a Wire no Bata Wo Fie Ho:** Wo **Electric Service Drop (`120/240V`)** bata soro wɔ **roofline / eaves** no mu kɔ dade paipu a ɛyɛ kurukuruwa mu (`the "Weatherhead"`) a ɛnam abɔnten fasuo no so tẽẽ kɔ wo **ahwehwɛ kurukuruwa/digital Electric Meter Box** mu. Nea ɛne eyi bɔ abira no, **Cable TV (`Coax`), Telefon, ne Fiber-Optic nhama** de bata dade hama ketewaa bi ho wɔ wo fascia anaa siding so na ɛkɔ fam kɔ ** plastic adaka ketewa bi a ɛyɛ ahinanan a ɛyɛ fitaa anaa tan (`NID`) wɔ asen so**, a enni nkitahodi biara ne anyinam ahoɔden mita no. 2. **Hwɛ Wire Shape no Ankasa:** An **Electric Service Drop (`Triplex`)** yɛ **nhama abiɛsa a ɛsono emu biara a wɔakyinkyim no te sɛ hama a ɛyɛ nkuruwankuruwa** (nhama abien a wɔde tuntum akata so a wɔde abɔ dwetɛ aluminium/dade nhama biako a ɛda hɔ kwa na ɛhyerɛn ho). **Cable TV, Telephone, anaa Fiber drop** yɛ **waya tuntum biako a ɛyɛ mmerɛw** (`round or flat like a ribbon`).

Dɛn nti na odwumayɛni a ɔhwɛ anyinam ahoɔden so anaa odumgyafo no de akutu a ɛyɛ borɔdɔma twaa waya a ahwe ase wɔ me gyaade no ho hyiae na afei ɔde kar kɔe a wanfa?¶

Wɔ mframa kɛse anaa nsukyenee ahum mu bere a nhama 300+ akɔ fam wɔ kurow bi mu no, anyinam ahoɔden adwumayɛbea ahorow de nhyehyɛe a wɔde twitwa nneɛma a egye ntɛmpɛ mu a ɛwɔ afã abien di dwuma: - **Fase 1 ("Make-Safe / Cut-and-Clear" Crew):** Nea edi kan no, **"Troubleman" anaa "Wire-Guard / Cut-Clear" lineman** biako pɛ ba wɔ bokiti lɔre ketewa bi mu. Wɔde afiri a ɛma ahoɔden kɛse sɔ waya a ahwe ase no hwɛ: **(a)** sɛ ɛyɛ waya a ɛma ahoɔden titiriw anaa nea ɛto so abien a ahoɔden wom a, wobue pole fuse cutout no (`"popping the cutout barrel"`) anaasɛ twa waya no wɔ dua no so sɛnea ɛbɛyɛ a asinasin a ɛda wo sare so no **100% anyinam ahoɔden awu (`isolated`)**, fa teyp kyekyere awiei a wɔatwa no, na fa orange cones anaa yellow caution tape twa ho hyia; anaa **(b)** sɛ ɛyɛ telecom a awu a (`Comcast/AT&T`) cable, wɔde coil no wɔ dua no ase na wɔkyerɛw tekiti kɔ telecom adwumakuw no. - **Phase 2 (Line Reconstruction Crew):** Nnɔnhwerew anaa nna bi akyi no, line crew a nnipa 4 yɛ pɛ ba bɛhome na wɔasan de waya no asan akɔ soro wɔ dua no so. Sɛ mpo waya bi wɔ ahwɛyiye teyp kɔkɔɔ wɔ so a, **ntutu anaa nka waya a ahwe ase wɔ fam da**, efisɛ backfeed a ɛmfata a efi ofipamfo bi pɛtro generator a wotumi fa mu no betumi asan ama nhama a ahwe ase afi ofie no fã no ahoɔden.

So ofipamfo bi pɛtro generator a wotumi fa so no betumi asan anya ahoɔden ankasa wɔ anyinam ahoɔden nhama a "awu" a ahwe ase wɔ yɛn abɔnten so no mu wɔ 7,200 volts?¶

Yiw - wɔfrɛ eyi **Transformer Backfeed**, na ɛyɛ asiane a edi awu sen biara no mu biako ma wɔn a wɔte hɔ ne utility linemen nyinaa bere a ahum a ɛretu no. Bere a ofie wura bi de generator a wotumi fa so a ɛyɛ volt 240 hyɛ wɔn dryer outlet mu wɔ ɔkwan a mmara mma ho kwan so (`using a "suicide cord"`) anaasɛ wɔde nhama hyehyɛ generator mu kɔ wɔn breaker panel mu **a wondum wɔn Main 200-Amp Breaker (`or without a code-compliant Mechanical Interlock / Transfer Switch`)**, generator no **240 volts no sen kɔ akyi fi fie no mu kɔ soro kɔ abɔnten so pole-top transformer** no mu. Esiane sɛ transformer yɛ adwuma wɔ afã abien no nyinaa nti, pole-top transformer no **tu anammɔn 240 volts UP no kɔ 7,200 kosi 13,800 volts** na ɛde kɔ waya a ahwe ase a ɛda abɔnten so no mu tẽẽ.

Dɛn ne mmara kwan so ɔsorokɔ a ɛba fam koraa a ɛsɛ sɛ anyinam ahoɔden nhama ne cable TV nhama sɛn me kar kwan ne m’abɔnten so?¶

Wɔ **Ɔman no anyinam ahoɔden Ahobammɔ Mmara (`NESC Table 232-1`)** wɔ United States (ne **CSA C22.3** mmara a ɛte saa ara wɔ Canada), ɛsɛ sɛ nhama a ɛwɔ soro no kura kwan a ɛyɛ katee a ɛba fam a ɛda fam wɔ fam wɔ awɔw bere mu da a ɛyɛ hyew sen biara mpo (bere a nhama trɛw na ɛhwe ase): - **Wɔ Ɔmanfo Abɔnten, Ɔkwan, anaa Akwantuo So (Ɛfa Lɔre Kar Ho):** Anyɛ yie koraa no **`4.7 meters (15.5 feet)`** ma nkitahodi nhama/triplex a wɔabɔ ho ban, ne ** .`5.6 meters (18.5 feet)`** ma bare primary anyinam ahoɔden nhama. - **Wɔ Atrae a Wɔde Kar Kwan So:** Anyɛ yiye koraa no **`3.5 meters (11.5 feet)`** ma nkitahodi/ɔsom a ɛtɔ (anaasɛ `4.7 meters / 15.5 feet` sɛ lɔre/RV ahorow de kar kwan no di dwuma a). - **Wɔ Yard anaa Sidewalk a Wɔn a Wɔn Nantew Nkutoo So (Kar biara nni hɔ):** Anyɛ yiye koraa no **`2.9 to 3.7 meters (9.5 to 12.0 feet)`** na ɛyɛ. Sɛ waya biara a ɛwɔ wo kar kwan anaa abɔnten so no hwe ase sen saa sorokɔ no a, frɛ utility anaa municipal `311` inspector sɛ ɔbɛma wɔasan akyekye span no kwa ansa na lɔre a wɔde nneɛma kɔma no atetew mu.

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Akwankyerɛ ahorow a ɛfa ho¶

• Tumi nhama a ahwe ase ne kar mu anyinam ahoɔden a ɛbɔ
• Tumi nhama a ahwe ase wɔ ofie anaa gyaade ban so
• Stray voltage a ɛwɔ dade mmɔnten so akanea, kwan ho manhole a wɔde kata so, ne akraman a wɔnantew shocks so
• Pad-mounted green transformer box a ɛpae, ngo ogya, ne kabinet a wɔabue mu asiane
• Mmoa a edi kan a anyinam ahoɔden a wɔde bɔ obi
• Nnɔmba a egye ntɛmpɛ ne amanaman ntam nneɛma a wɔde mena

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Fibea ne aban akwankyerɛ¶

• Institute of Electrical and Electronics Engineers (IEEE): Ɔman Electrical Safety Code (NESC / ANSI C2) - Ɔfa 23 (Afiri a Wɔde Fa Nneɛma a Ɛwɔ soro no Ho Kwan, Table 232-1 Vertical Clearances wɔ Akwan ne Kar akwan so, ne Mmara 235C Joint-Use Pole Supply-to-Communication Separation).
• Adwuma mu Ahobanbɔ ne Akwahosan Dwumadibea (OSHA, United States Adwumayɛbea): 29 CFR § 1910.268 (Telecommunications - Ahobammɔ a Ɛtia Amannɔne Voltage ne Joint-Use Pole Contact with Electric Supply Lines) ne 29 CFR § 1910.269 (Electric Power Generation, Transmission, ne Distribution).
• Electrical Safety Foundation International (ESFI) & Edison Electric Institute (EEI): Downed Power Line Ahobammɔ, Asase so Mfomso a Ɛho Hia, ne Portable Generator Transformer Backfeed Siw Ano.
• Akwahosan ne Ahobanbɔ Adwumayɛfoɔ (HSE, United Kingdom) & Ahoɔden Nkitahodiɛ Fekuo (ENA): Ɛlektrik Ahobanbɔ, Nneɛma Pa ne Nkɔsoɔ ho Mmara 2002 (ESQCR) ne GS6 Kwati Asiane a ɛfiri anyinam ahoɔden nhama a ɛwɔ soro mu.
• Canada Gyinapɛn Fekuo (CSA Kuo): CSA C22.3 No. 1: Nneɛma a ɛwɔ soro (Joint-Use Utility Pole Clearances ne Grounding Standards).