Try our expert advisor on UK electrical standards and regulations.
You're invited to try TN AI for electricians – an expert agent that can advise on electrical standards, regulations and specifications, and can even do calculations for you.
Ask TN AI for advice about an electrical task you're working on to help ensure your work is fully compliant with the latest UK electrical standards.
Type your question, and TN AI will give an answer within a few seconds. Here are a few examples of TN AI in action:
- ME What is the formula for calculating diversity for cooker circuits?
- In the context of electrical installations in the UK, diversity is considered to estimate the expected load of an electrical installation more accurately. For cooker circuits, the diversity calculation helps to prevent overloading and ensures that the supply can handle the typical load rather than the maximum possible load.
The diversity formula for cooker circuits, as per the Institution of Engineering and Technology's (IET) Guidance. Note, usually follows a standard approach:
1. Take the full load current of the cooker (I).
2. Apply 100% of the first 10 Amps (A).
3. Apply 30% of the remaining current.
If the cooker has a socket outlet incorporated, add an additional 5A to account for this.
- ME When are RCDs needed in residential properties?
- In the UK, Residual Current Devices (RCDs) are a fundamental safety feature in residential electrical installations. Their primary role is to protect against electrical shock and fire caused by earth faults. Let's delve into when RCDs are required in residential properties according to UK regulations, specifically the 18th Edition of the IET Wiring Regulations (BS 7671:2018+A2:2022).
- ME Can you explain bathroom zones?
- Certainly! In the UK, the concept of bathroom zones is an essential component of electrical safety regulations. These zones are defined to ensure that electrical equipment is used safely in environments where there is a high risk of electric shock due to the presence of water. The zones help in determining what type of electrical equipment is safe to use in different parts of a bathroom. Here's a detailed breakdown.
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