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Electrician Theory- 80 (Electrical Accessories)
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Electrician Theory- 79 (Wiring) - 2
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Electrician Theory- 78 (Wiring) - 1
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Electrician Theory- 77 (Cables and Joints)
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Electrician Theory- 76 (Corona and Skin Effect)
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Electrician Theory- 75 (Earthing and Underground Cables) - 2
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Electrician Theory- 74 (Earthing and Underground Cables) - 1
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Electrician Theory- 73 (Relay and Circuit Breaker)
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Electrician Theory- 71 (Illumination) - 3
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