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Supply, boards, earthing, protection, cable sizing, safe isolation and the test sequence. Each on its own page: the drawing first, the numbers beside it. Checked against SS 638. 65 illustrated pages.
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Every page has one large drawing and a box with the numbers and steps you need to know:
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These are real pages from the book. The table of contents is the full one: 8 parts and 61 topics.
The engineer at the interview slides a sheet across: 'Take me from the SP intake to the final circuit.' You've done it on a hundred jobs, yet now you're stuck on where the supplier's side ends.
The manual covers it in paragraphs: service cable, cut-out, metering, main switch and board, each in a different section. Read at night after a shift, the order doesn't stay.
In the book it's one page: service cable → cut-out → meter → main switch → DB → final circuits, drawn left to right, with the supplier/consumer line marked so you see who owns what.
The same goes for the earthing systems, RCCBs and RCBOs, Ib ≤ In ≤ Iz, safe isolation and the turn-on test sequence: each one has its own page.
You see the drawing, you understand it, and you explain it without going back to the manual.
The licence and the rules, the basics, supply and boards, earthing and protection, cable sizing, safe isolation and testing, the practical test and the interview, and review checklists: 65 pages, all illustrated
Think of it this way:
It's the practical test. The board is dead, you've proved it, and now you have to work through the tests in the right order while the assessor watches.
In the book you open the page on the test sequence and see it drawn: continuity, insulation resistance, polarity, then the live tests, each with the meter connected and the reading you should expect.
Same with TN-S, RCCBs, cable sizing, voltage drop and safe isolation: each one on its own page.
LEW Electrician Licence Illustrated is 8 parts and 61 topics, all drawn, with the numbers to have at hand, the formulas on one page and a final checklist at the end.
What you see drawn, you don't have to memorize.
Know exactly what you're sitting: the three LEW grades, what the Electrician assessment looks like, who's who between EMA, SP Group and the LEW, the Act and Regulations, and how SS 638 is organised.
Singapore supply at 230 V, 400 V and 50 Hz, Ohm's law and power with real numbers, kVA and power factor, conductor colours, symbols, fault types and electric shock.
From the SP intake to the final circuit, reading a single-line diagram, inside an HDB board, single- and three-phase boards, ring and radial circuits, switching, lighting and labelling.
TN-S, TN-C-S and TT, the main earthing terminal and bonding, electrodes, Zs and disconnection times, MCB types, MCCBs and fuses, RCCBs and RCBOs, and discrimination.
Ib ≤ In ≤ Iz, design current, installation methods, correction factors, a worked sizing example, voltage drop limits and calculation, the protective conductor and cable types.
Do every test in the right order: safe isolation in 7 steps, testing dead, the test sequence, continuity, ring circuits, insulation resistance, polarity, earth electrode, loop impedance, RCD times and functional checks.
The practical test in the same order, the inspection checklist, explaining the 'why' with one drawing, scenario questions, and bathrooms and outdoor locations.
The numbers to have at hand, the formulas on one page, frequent mistakes in sizing and testing, and the final checklist before test day.
At the end of the book: The numbers to have at hand, the formulas on one page and a final checklist before test day.
Test yourself topic by topic with exam-style questions and a short, drawn explanation for every answer, so you know exactly what to go back to.
See the most frequent installation and testing mistakes side by side with the correct version, one page each, for a quick review before the test.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
PDF by email: We email you LEW Electrician Licence Illustrated as a PDF, together with the two free books. It's a single payment: no installments, no extra charges.
Each topic of SS 638 becomes one drawing you can study in short sessions after work, in the same order every night.
The numbers, formulas and test sequence are on a few pages you can print and review before the written test, the practical and the interview.
You put a picture behind what you do every day, so you can explain the 'why' to an engineer, not just the 'how'.
📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
Try LEW Electrician Licence Illustrated for 30 days, bonus books included.
We refund everything if the file won't open, if the book isn't what you see here, if you were charged twice or if the email doesn't arrive. Just email us.
You pay once. No subscriptions.
Yes. It isn't a beginner's book: it takes what you already do on site and puts each rule, device and test into one drawing you can explain. It covers all three parts of the assessment: the theory for the written test, the test sequence for the practical, and a part on explaining the 'why' for the technical interview.
It's checked against the Electricity Act, the Electricity (Electrical Installations) Regulations and SS 638, with the licensing information published by the EMA.
No. It's independent study material, not affiliated with or endorsed by the EMA or any other authority. It doesn't give you a licence or a certificate: the licence is issued only by the EMA after its own assessment.
No. It helps you study and review, but it doesn't replace formal training, supervised practice or the official requirements.
No. The exam-style questions are written for this book. They are not official questions from any exam.
The book and the 2 free books arrive as a PDF by email, at the address you enter at checkout.
No. It's a one-time payment.
It's a PDF, not a printed book, but it's fully printable: print the whole book or just the pages you need and keep them in your bag.
You have 30 days. We refund everything if the file won't open, if the book isn't what you see on this page, if you were charged twice or if the email doesn't arrive: just email us.
No more rereading without anything sticking.
SP intake to final circuit, drawn and clear.
You walk into the test knowing where everything is.
Drawings make studying faster.
The book is right below.
One-time payment: US$ 27 · Guarantee: 30 days · PDF by email
YES, I WANT LEW ELECTRICIAN LICENCE ILLUSTRATED FOR US$ 27📄 This is a digital PDF book sent to your email: nothing is printed or shipped.
