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UNIT 10
WHICH TYPE OF RESIDUAL CURRENT
DEVICE (RCD) TO USE AND WHEN?

1 Learn the meaning of the following words, word-
combinations and word groups:
Residual current device, earth loop impedance, reduction, shock
risk, fault, climatic conditions, resistance, wet weather, dry,
(circuit breaker, consumer, protect, split-load boards, domestic
premises, e protection, socket, cables embedded in walls, non-
portable equipment, requirement, suitably labelled, identified,
application, temporary supply, circuses, storage, combustible
materials, circuits, agricultural locations.

2 Read and translate Text 1:
Text 1
Which Type of Residual Current Device (RCD) to Use and
When?

Figure 10.1 - Residual current device
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