Guidance Note 3: Inspection & Testing - 18th Edition Amendment 4, 10th Edition
IET PIETGN3184
Introducing the IET Guidance Note 3: Inspection & Testing, the definitive resource for electrical professionals seeking comprehensive guidance on inspection and testing practices. This guide, published by the Institution of Engineering and Technology (IET), is an indispensable tool for electricians, engineers, and inspectors aiming to ensure electrical safety and compliance.
The IET Guidance Note 3 provides expert insights, practical advice, and step-by-step procedures for conducting thorough inspections and tests in accordance with industry standards and regulations. It covers a wide range of topics, including initial verification, periodic inspection, certification requirements, and more. With this guide, you can confidently navigate through various testing scenarios and ensure that electrical installations meet the highest standards of safety and performance.
Crafted by industry-leading experts, the IET Guidance Note 3 is renowned for its accuracy and reliability. It offers clear explanations, helpful diagrams, and real-world examples, making it accessible and user-friendly for both experienced professionals and those new to the field.
Whether you're performing tests on domestic, commercial, or industrial installations, this guide provides the knowledge and guidance you need to conduct inspections effectively. It also highlights common pitfalls and challenges, helping you avoid costly mistakes and ensure that all necessary tests are carried out correctly.
The IET Guidance Note 3 is regularly updated to reflect the latest advancements and changes in regulations. By staying up to date with the most current edition, you can be confident that you're using the most accurate and relevant information available.
Invest in the IET Guidance Note 3: Inspection & Testing and elevate your inspection and testing practices to the next level. Enhance your professional reputation, ensure compliance with industry standards, and prioritize electrical safety in all your projects.
Stay informed, knowledgeable, and proficient with the IET Guidance Note 3: Inspection & Testing. Order your copy today and access a wealth of expertise and guidance that will empower you to perform inspections and tests with confidence and precision.
Get up-to-speed on the requirements of BS 7671: 2018+A4:2026
Guidance Note 3: Inspection & Testing is a fundamental guidance book for all those involved with the testing and inspection of electrical installations. It also contains essential guidance for those studying for inspection and testing qualifications and has been fully updated to BS 7671:2018+A4:2026.
We recognise that time is of the essence when it comes to your projects, so we offer a next working day delivery service as standard on the majority of our products*
Order by 3pm for next working day delivery (Excludes Weekends and Public Holidays)
If an order is placed on the weekend, we will dispatch on Monday for delivery to you on Tuesday if in mainland UK. If an order is placed on a Friday it will be with you on Monday.
Deliveries are free over £100 excluding VAT.** We use DX, DPD and Royal Mail as our couriers. Once an order is placed, DX/DPD/RM will contact you (If an email and mobile phone number are supplied).
*Please check the individual product page on estimated delivery times.
**This does not include items shipped direct from manufacturer.
Damages & Discrepancies: All claims for damaged or missing goods must be reported within 48 hours of delivery.
Shipped Direct from Manufacturer: Items shipped direct from manufacturer may incur additional charges which will be calculated at checkout. We cannot guarantee the estimated delivery timeframe displayed. If any item is needed urgently, please contact us and we will contact the manufacturer to confirm the delivery timeframe. Direct from manufacturer shipping rates are as displayed below and will be included in the total shipping cost displayed at checkout.
| Manufacturer |
Direct Shipping Charge |
| Live Eletcrical |
Under £285 (ex VAT) - £7.25 + VAT Over £285 (ex VAT) - Free |
| TIS |
Under £200 (ex VAT) - £14.95 + VAT Over £200 (ex VAT) - Free |
Remote areas: Scottish Highlands, Northern Ireland, Channel Islands and UK Islands such as Isle of Man might be subject to an additional delivery charge depending on the size of the order. If this is the case we will contact you.
These locations will also have a 48 hour delivery service due to distance.
Couriers can deliver up to 8pm but you will have received a timed delivery notification prior to this.
Free delivery does not apply to some products that are required to be delivered by pallet to avoid damage. The cost of this is £100 excluding VAT per pallet. Please note that although every effort is made to try and guarantee a next day delivery for orders shipped by pallet. Sometimes it is a two to three day service.
Free delivery also does not apply to some products over 1.19 metre in length. This is due to the additional costs of shipping products of this size. The cost of this is £25 ex VAT per bundle, with the number of lengths per bundle varying by product. Please note that although every effort is made to try and guarantee a next day delivery for orders for lengths, sometimes it is a two to three day service.
Please note that orders with products over 1.19 metre or requiring a pallet are not sent on DX, DPD or RM. These orders are currently seeing delivery times of 2-3 days.
Order Confirmation
This will be automatically sent to you straight after placing your order, if you don't receive please check your junk inbox to see if it has gone in there.
Delivery Updates
These will be provided via email from us upon despatch and then with tracking details - our couriers will provide timed deliveries so you can arrange to be in within the delivery window without having to wait in all day.
Delivery Carrier
Deliveries will be by Royal Mail, DPD or DX.
Out of Stock Items
If an item you require is Out of Stock on our website, please feel free to contact our sales team and they will be able to provide an expected in stock date.
Deliveries on Requested Days
If you have a particular day you require delivery please write it on the order notes at checkout and our friendly team will arrange & confirm for you.
Aborted Deliveries
If you or the intended recipient are not available when the delivery is attempted a delivery card will be put through your letterbox, or the courier will send a text. Please follow the instructions to rearrange delivery.
Late Deliveries
While we strive to maintain the highest possible standards, there may be occasional circumstances beyond our control that can affect the delivery timeline.
Planning Ahead
Please do not schedule or start any installation work until after you have received your order and checked all goods for any defects or missing parts. This will enable you to resolve any technical questions or to order specific additional fittings if needed. We cannot be held liable for third party delays.
We will make every effort to deliver goods on the date or within the dates quoted, however, such dates are a guideline only and Thomas Electrical Distributors shall not be held liable in any way due to delayed deliveries that are out of our control.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, in its original packaging, and in a resalable condition. You’ll also need the receipt or proof of purchase.
To start a return please fill out our returns request here.
If your return is accepted, we’ll advise on how and where to send your package.
Any returns sent without prior authorisation will not be accepted or refunded.
The company reserves the right to make up to a 40% re-stocking fee on certain products which would be deducted from any refund.
All returns are to be made at your cost unless otherwise advised.
You can always contact us for any return questions at orders@thomased.co.uk.
Damages and issues
Please inspect your order upon receipt. Any damaged or missing items must be reported within 48 hours of delivery.
Exceptions / Non-returnable Items
Certain types of items cannot be returned, such as special orders, order shipped direct from manufacturer, bespoke items etc. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at orders@thomased.co.uk.