Page 254 - Electrician 1st year - TP
P. 254
TYo (Power) T«t£ 1.8.75
GXdh¬μVu (Electrician)þ JV¬e AûUjRp Utßm Goj§e (Wiring
Installation and earthing)
ûTl Goj§e AûUjRp Utßm Goj ùPvPo ùUdLûW TVuTÓj§
¨X ªuRûPûV A[jRp (Prepare pipe earthing and measure earth resistance by
earth tester/megger)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• Goj ùNnYRtÏ ûTlûT RVôo ùNnRp
• ¨Xj§p ϯûV úRôiÓRp
• Goj ûTlûT ¨ßÜRp Utßm úNôRû] ùNnRp. Scan the QR Code to view
the video for this exercise
úRûYVô]ûYLs (Requirements)
LÚ®Ls/NôR]eLs/CVk§WeLs
(Tools / Equipment) • G.I. ê¥ úR²Úm× NhPjÕPu
• G.I. ûP vPôdÏPu 12.7 ª.Á, CûQdLlThPÕ 300 ª.Á
19 ª.Á Utßm 38 ª.Á ûPv 1 ùNh NÕWm 1
• D.E vúT]o 6 ª.Á ØRp • G.I. ÏZôn 19 ª.Á ®hPm 1 Á
25 ª.Á 1 ùNh • G.I. ÏZôn 38 ª.Á ®hPm Utßm
• lú[ô úXml, 1 XõhPo 12 ª.Á ùLôiP Õû[Ls 2.5 Á
UiùQiùQn EPu 1 • ùW¥ëNo 38 x 19 ª.Á 1
• LPlTôû\ AßeúLôQ • Lm© YûX Utßm ×]p
1800 ª.Á ¿[m 1 19 ª.Á ®hPm 1
• vúTÓ 1 • G.I. Sh Utßm 19 ª.Á ®hPm
• ©d Bdv (pick axe) 1 vÄq Utßm Lm© YûX 1
• £ùUih UôoPo ¥úW 2 • G.I. ùNd Sh 19 ª.Á ®hPm 4
• Pôev 300 ª.Á 1 • G.I. Yô`o 40 ª.Á Utßm
• A[®Óm úPl 5 ÁhPo 1 19 ª.Á Õû[ 1
• LWi¥ 2 • G.I. Lm© Gi .8 SWG 10 Á
• Lôm©ú]Nu ©ú[Vo 200 ª.Á 1 • ùNm× X@d 200A 19ª.Á ®hPm
• ûTl ¬ugf 50 ª.Á 1 ÕYôWm ùLôiPÕ 1
• aôdNô 32 T.P.I. ©ú[ÓPu 1 • úNôpPo 60/40 100 ¡Wôm
• UWl ùTh¥ 150(l) x 150(b) x • ¾lùTh¥ 1
300(h) ª.Á 1 • úNôpPo úTvh 10 ¡Wôm
• NôpP¬e Tôh (EÚÏRp) 1 • £ùUih 10 ¡Wôm
• vúXh_ó aôUo 2 ¡úXô 1 • _pXõ LtLs 6 ª.Á A[Ü 40 ¡.¡
• Goj ùPvPo, vûTd • Btß UQp 80 ¡.¡
Utßm CûQl×d Lm©Ls 1 ùNh • El× 3 ûTLs
• ¨XdL¬ / L¬ (charcoal) 3 ûTLs
ùTôÚhLs
• G.I. ÏZôn 12. 7 ª.Á ®hPm 5 Á
• G.I. ùTuÓ 12.7 ª.Á ®hPm 2
ùNnØû\
1G.I. ÏZôûVÙm, ETLWQeLû[Ùm RVôo úLôQj§p NônYôL ùYh¥ùVÓjÕ, áo
ùNnVÜm. Øû]VôdLÜm.
2 Fig 1þp Lôi©jÕs[T¥ 38 ª.Á ®hPm 338 ª.Á ®hPm ùLôiP G.I. ÏZô«u
ùLôiP G.I. ÏZôûV JÚ Øû]«p 30 o UßØû]«p 25 ª.Á çWj§p, Utù\ôÚ
230