An Electrician’s Q and A
ElectriciansBlog.co.uk is all about helping to fill the gaps in your electrical knowledge and making it easy to access the info you’ll need. It gives you an easy ‘one stop’ point of reference when you’re on site and can also help you to become a better electrician.
Here is a selection of electricians’ questions which we are all likely to come across from time to time.
Please feel free to submit your own Q&As to be added to the list.
TT systems. Bonding in bathrooms
TT Systems. Time-delay RCD main switch
Is a Ze of greater than 2oo ohms acceptable on a TT System?
TT Systems. Zs reading higher than tabulated
TT circuits require a disconnection time of 0.2 seconds
Why do TT systems require RCDs to achieve 0.2s disconnection time?
Why use 0.3s RCDs for TT when they don’t comply with 0.2 disconnection?
How to convert KVA to Amps?
Earthing & Bonding
Bonding on sink?
Bonding in a Bathroom?
Inspection & Testing
Cables concealed in walls at less than 50mm deep. Which Recomendadtion code? Can I issue Part P & Installation Certificates for other peoples work?
Health & Safety
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