Page 260 - Electrician 1st year - TP
P. 260
TYo (Power) T«t£ 1.8.77
GXdh¬μVu (Electrician)þ JV¬e AûUjRp Utßm Goj§e (Wiring
Installation and earthing)
ELCB (Goj ÄdúLw Nodëh ©úWdLo) Utßm ¬úXûY TVuTÓj§ ¨X
ªu L£ûY úNôRû]«Pp (Test earth leakage by ELCB and relay)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• ELCB Øû]VeLû[ AûPVô[m LôÔRp
• ELCB I ªu ÑtßPu CûQjÕ ARu CVdLjûR úNô§jRp
• ELCB GqY[Ü ªu L£Ü ªuú]ôhPj§p Õi¥dLlTÓ¡\Õ GuTûR A[®Pp.
úRûYVô]ûYLs (Requirements)
LÚ®Ls/NôR]eLs/CVk§WeLs
(Tools / Equipment)
• Lh¥e ©ú[Vo 150 ª.Á 1 No. • MCB, 240V, 10A, 2 úTôp 1 No.
• vÏÚ ¥ûWYo 150 ª.Á 1 No. ùTôÚhLs (Materials)
• ªuT¦Vô[o Lj§ 100 ª.Á 1 No.
• JVo vh¬lTo 150 I.e. 1 No. • JVo Ñt\lThP UôßTÓm ªuRûP
• MI AmÁhPo (0-10A) 1 No. 10K, 1W - 1 No.
• MI AmÁhPo (0-100mA) 1 No. • ¨ûXVô] ªuRûP 5K 1W 1 No.
• ©Xõlv vPôo vÏÚ ¥ûWYo • ×x ThPu Ñ®hf 250V, 6A 1 No.
100 ª.Á 1 No. • UôßTÓm Ri½o ªuRûP 1 No.
• ELCB, 240V, 25A, 2 úTôp
h¬l©e L£Ü ªuú]ôhPm
30 ªpXõ Bm©Vo 1 No.
ùNnØû\
ùNnV úYi¥V úYûX 1 : ELCB «u Øû]Lû[ AûPVô[m LôÔRp
1 T«tßS¬PªÚkÕ ELCBþI ùTtßd
ùLôiÓ ARàûPV R² ϱlÀÓLû[
Yô£dLÜm.
Fig þ1p ùLôÓdLlThP AûPVô[
ϱl×Lû[ ùLôiÓ ªu TÞ
Øû]VeLû[Ùm, Nlû[
Øû]VeLû[Ùm AûPVô[m
LôQÜm.
236