Page 81 - Electrician -1st Year - TT

TYo (Power) T«t£ 1.2.20 - 22 dLô] ùRôPo× LÚj§Vp
GXdh¬μVu (Electrician)þ ªu Lm©Ls, CûQl×Ls, úNôpP¬e þ
UG úL©sLs (Wires - Joints - Soldering - UG cables)

JVo CûQl×Ls þ YûLLs þ NôpP¬e Øû\Ls (Wire joints - Types - Soldering
methods)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• CûQl×L°u YûLLs Utßm TVuLû[ áßRp
• CûQl×L°u úRûY Utßm NôpP¬e YûLLû[ áßRp
• @l[dv³u YûLLs Utßm LôWQeLû[ áßRp
• NôpP¬u TpúYß Øû\Ls Utßm NôpP¬e ùRô¯pÖhTj§û] ®Y¬jRp
• AÛª²Vm LPj§dÏ úRûYlTÓm NôpP¬e YûLLs Utßm @l[dv Tt± áßRp.
CûQl×LÞdϬV ®[dLm (Definition of Tu±Yôp / GXõ Yôp / ØßdLlThP
joint) : ªuLPj§ CûQl× GuTRu ùTôÚs, CûQl× (Pig-tail/ Rat-tail/ Twisted joint)
CWiÓ ApXÕ ARtÏ úUp Es[ (Fig 1) : CkR CûQlTô]Õ, SpX
LPj§Lû[ CûQjRp, úNojÕd LhÓRp, ªuLPjÕm §\às[ Utßm CVk§Wj§u
ApXÕ JußPu Juß CûPU¥l× AÝjR ®ûN úRûY«pXôR CPeL[ô]
ùNnRp, CûYL°]ôp CûQl×Tϧ Nk§l× ùTh¥ (junction box) ApXÕ ÏZôn
ªuNôWm Utßm CVk§WTXm ùTÚYRtLôL YûL (conduit accessories) ETLWQm
ùNnYRôÏm. ùTh¥L°p Es[ CûQl×LÞdÏ
CûQl×L°u YûLLs (Types of joints): ùTôÚjRUô]RôÏm.
ªuNôW úYûXL°p TX®RUô]
CûQl×Ls úRûYL°u A¥lTûP«p
TVuTÓjRl TÓ¡u\]. CûQl×dùLôÓjÕ
ùNnVlTP úYi¥V úYûXdÏ
RÏkRôtúTôp CûQl©u
YûLlTVuTÓjRlTÓ¡\Õ.
úSo CûQl× (Married joint) (Fig 2) :
ùT ôÕYôL TVuTÓjRlTÓm CûQl×L°u úTôÕUô] A[Ü ªuLPjÕm §\u Utßm
Th¥Vp RWlThÓs[Õ. ùSÚdLUô] CûQl× úRûYlTÓm

– Tu±Yôp/ GXõYôp CûQl× (Pig-tail or rat- CPeL°p CkR YûL CûQl×
tail) ùNnVlTÓ¡\Õ.
– ØßdLlThP CûQl× (twisted joints)

– úSo CûQl× (Married joint)
– Tee CûQl× (Tee joint)

– ©¬hPô²Vô úSo CûQl× (Britannia straight CVk§Wj§\u Ïû\YôL CÚlTRôp, CkR
joint) YûL CûQl× CÝ®ûN A§LUôLj
úRûYlTPôR CPeL°p TVuTÓ¡u\].
– ©¬hPô²Vô tee CûQl× (Britannia tee
joint) ‘T’ CûQl× (Tee joint ) (Fig 3) : CkR YûL
CûQl×Ls OH T¡oUô] LPj§LÞPu
– úUtLj§V ë²Vu YûL CûQl× (Western CûQl× ùNnÙm CPj§Ûm úNûY
union joint) CûQl×LÞdLôLÜm (service connections)

– Øû] áoûUVôdLlThP CûQl× TVuTÓjRlTÓ¡\Õ.
(Scarfed joint) ©¬hPô²Vô CûQl× (Britannia joint)
– £e¡s LPj§L°p ©¬Ùm YûL CûQl× (Fig 4) : CqYûL CûQl× KYo ùah (OH)
(Tap joint in single stranded conductor) ûXuL°p úTôÕUô] A[Ü CÝ®ûN
úRûYlTÓm CPeL°p ùNnVlTÓ¡\Õ.
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