RCDs: the what, where, why, when?

Visit the Learning Zone to download our latest technical PDF, RCDs: the what, where, why, when?

Covering:

• Introduction
• How does an RCD work?
• What are the internal parts of an RCD?
• British Standards
• When is an RCD used?
• Protecting people or livestock
• Protection against fire
• RCDs for fault protection
• Selecting the correct RCD – sensitivity
• Selecting the correct RCD – general or time delayed
• Selecting the correct RCD – Type
• Testing RCDs
• Summary
• Further reading

This PDF includes six quiz questions and answers on pages 5-6.

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