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Pocket sized for ease of use, they cover the subject areas in an interesting and informative way, without unnecessary technical theory. The books are written by experts in their fields in an easy to understand language and are complemented with drawings and illustrations.
If you are a company, please email tech. Bulk price rates are available for orders of 25, or books - Please call us for more information. The following are example pages which show an electrical isolation procedure, resistance values for copper and aluminium conductors and IP ratings.
The Electricians Guide to Good Practice also contains many pages of data on current carrying capacity and voltage drop of cables, conduit and trunking capacities, maximum spacing for clips and supports for cables etc. The following are example pages which show a reference table for the maximum lengths of cable used in various radial circuits and the current carrying capacity of non-armoured thermosetting insulated flexible cables with sheaths.
The updated book incorporates the following changes to the issue published in January: Improvements to the layout, text size and positioning on the pages for improved legibility; Simplified drawings of the TN-S, TN-C-S and TT systems; Inclusion of table The updated book incorporates the following changes to the issue published in June The new standard circuits have been incorporated into the book, bringing the total number of pages to over ; Further improvements to the layout and some drawings; Quick-reference title boxes have been added to the tables for ease of use; The special locations section has been slightly extended to cover as many of the locations as possible; Improvements to the indexing.
The updated book incorporates the 1st Amendment to the 17th Edition and the following changes: New definitions, improved testing for dead and isolation procedure; Inclusion of the In figures for breakers and fuses; New Correction factors added, improved explanation of the R1 and R2 correction factors from The updated book incorporates the 3rd Amendment to the 17th Edition and the following changes: New definitions and changes to the symbols used; Some layout improvements; Addition of 2A and 4A BS fuses; Tweeks to the earth fault loop impedance drawings; Changes to the max Zs figures allowed due to the new Cmin factor which reduces the theoretical supply voltage; Consequent changes due to the introduction of Cmin to the Conventional circuits tables; Various small changes to the cable reference tables; Addition of Sections , and Outdoor Lighting and Vehicle Charging.
The book describes and explains the checks required during the visual inspection, and provides guidance on how the electrical tests should be carried out. Explanatory colour drawings are included. INSPECTION: The following are example pages from the book which contain advice about the suggested frequency of inspection and testing for various different types of installation, a reduced visual inspection checklist and suggestions about what to look for when inspecting for correct identification and routing of conductors.
Explanatory drawings show how the tests should be performed, with accompanying advice on the key issues surrounding each test. The following are examples of the pages about main earth bonding tests, ring circuit tests and insulation resistance testing.
The Electricians Guide to Inspection and Testing Book shows examples of these forms with suggested entries to help show what should go on them. The following example pages show the Electrical Installation Certificate, the Schedule of Inspections and the Test Results Schedule forms, compliant with the IET requirements and with suggested values inserted. The updated book incorporates the 1st Amendment to the 17th Edition and the following changes: Restructure of the book so that the differences between what is required for new and existing installations could be made clear; Various drawings and tables improved for clarity; Stronger warnings about isolating properly before dismantling or proceeding to live tests added; Breaking capacities of protective devices added; The new Condition Reports for periodic inspection included; Maximum Zs for BS breakers and BS fuses added Colour tabs added to the side of each page so that the user can navigate around the book more easily.
The updated book incorporates Amendment 3 and the following changes: Further improvements to the page tabs to make it easier to navigate around the book; Changes to the table on mechanical protection requirements the requirements for the use of RCDs changed in Amd 3 ; Some small textual and layout improvements; Max Zs figures reduced due to the introduction of the Cmin value; Changes to the Certificates mainly the new installation inspection schedule.
The updated book incorporates the 18th Edition and the following changes: Clarification on the actions necessary when non-compliances are discovered; Exemptions for some of the requirements for the use of RCDs revoked; Addition of the alternative method of insulation resistance testing for new installations; Extensions of the max Zs tables to accommodate higher rated fuses; Some small tweeks to the certificates; Addition of several new columns on the GSTR.
All new orders incorporate the above updates to the Guide to Inspection and Testing. Our refunds policy does not affect your statutory rights.
Your refund will normally be in the same form of payment originally used for your purchase.
ELECTRICIANS GUIDE BOOKS
Electrical safety: Approved Document P