1. FIG.1: RT – CABLE TO HORIZONTAL REBAR JOINT FIG.2: RC – CABLE TO VERTICAL REBAR JOINT
FIG.3: CADWELD EXOTHERMIC WELDING OF 70mm2
CABLE TO HORIZONTAL REINFORCEMENT. (RT JOINT)
FIG.4: CADWELD EXOTHERMIC WELDING OF 70mm2
CABLE TO VERTICAL REINFORCEMENT. (RC JOINT)

2. FIG.5: EXCAVATION OF TRENCH TO INSTALL THE BARE COPPER TAPE
FIG.6: INTALLATION OF BARE COPPER TAPE FIG.7: LJ – CABLE TO TAPE JOINT

3. FIG. 8: INSTALLATION OF EARTH MAT, A – CLAMP, EARTH RODS WITH COUPLERS AND CADWELD
EXOTHERMIC WELDING OF 25x3mm BARE COPPER TAPE TO GROUND ROD
FIG.9: CM – TAPE TO GROUND ROD JOINT FIG.10: LQ/CM – TAPE TO GROUND ROD JOINT

4. FIG.11: CADWELD EXOTHERMIC WELDING OF 70mm2
CABLE TO BARE COPPER TAPE (LJ JOINT)
FIG.13: CADWELD EXOTHERMIC WELDING OF 25x3mm BARE COPPER TAPE TO GROUND ROD (CM JOINT)

5. FIG.14: CADWELD EXOTHERMIC WELDING OF 70mm2
INSULATED CABLE TO BARE COPPER TAPE (LJ JOINT)
FIG.15 BACKFILLING OF THE PIT WHERE EARTH
MAT AND RODS WERE INSTALLED
FIG.16 INSTALLATION OF EARTHING SYSTEM FOR LIGHTNING PROTECTION SYSTEM

6. FIG.17 EARTH CABLE CONNECTED TO STEEL GANTRY
FIG.19 EARTH INSPECTION PITFIG.18 EARTH CABLE CONNECTED TO THE
GENERATOR

7. FIG.21 TYPE I SURGE PROTECTION DEVICES (TDX200S277/480TT)
FIG.20 EQUIPOTENTIAL CONNECTING BOX WITH EARTH BAR AND BASE COVER PLATE

8. FIG.22 TYPE II SURGE PROTECTION DEVICES (TDS350TT277)
FIG.23 25X3MM BARE COPPER TAPE DOWN CONDUCTOR

9. FIG.24 LIGHTNING EVENT COUNTER (LEC –IV) FIG.25 SQUARE CLAMP (JOINING TWO 25X3MM TAPES)
FIG.26 25X3MM BARE COPPER TAPE
DOWN CONDUCTOR
FIG.27 BRACKET FOR MAST

10. FIG.28 A COMPLETE INSTALLATION OF SI40I INTERCEPTOR WITH 25X3 COPPER TAPE DOWN CONDUCTOR
FIG.29 RESISTANCE VALUE FOR BUILDING
EARTHING SYSTEM
FIG.30 RESISTANCE VALUE FOR LIGHTNING
PROTECTION GROUNDING SYSTEM