17:03

HOW FAST IS ELECTRICITY – HOW DOES ELECTRICITY MOVE – WHAT IS AN ELECTRON – WHAT IS ELECTRIC CURRENT

15:46

WHY DOES A PLUG GET HOT – WHY WILL A 13 AMP FUSE NOT FUSE EVEN AT 20 AMPS – USING THE FUSING TABLES

18:22

BS7671 TABLES AND FIGURES – UNDERSTAND HOW TO USE THE TABLES – HOW THEY WORK - IMPROVE EXAM RESULTS

16:35

CHANGING FORMULAS – HOW TO TRANSPOSE ELECTRICAL FORMULAS – EASY AND SIMPLE METHODS FOR ALL EQUATIONS

10:34

AMENDMENT 3 – BS7671 - WIRING REGULATIONS – CHANGES AND HOW THEY AFFECT THE 18th EDITION EXAM & MORE

13:29

BRIDGE RECTIFIERS – HOW THEY WORK – WHAT IS A DIODE – SEMI-CONDUCTORS - CONVERT AC VOLTAGES INTO DC

12:08

OHMS LAW EASY EXPLANATION – WITH QUESTIONS AND WORKED ANSWERS – LEARNING AND UNDERSTANDING FOR EXAMS

21:35

VOLTAGE DROP AND CABLE RESISTANCE EXAM PRACTICE – PRACTICE QUESTIONS AND FULLY WORKED ANSWERS

11:51

TWO WAY LIGHTING TESTS – WHY DO WE TEST – WHICH WIRES ARE UNDER TEST – WHAT DO WE TEST AND WHY

23:44

18th EDITION EXAM – QUESTION ORDER – PART ORDER – TIPS & QUESTIONS TO IMPROVE YOUR EXAM SCORE

16:16

2391 INSPECTION & TEST QUESTIONS AND ANSWERS FOR EXAMS AND ASSESSMENTS – WITH FULLY WORKED ANSWERS

13:18

MY FUSE SIZE IS NOT LISTED IN THE REGS BOOKS – HOW CAN I FIND ZS FOR THE CIRCUITS I AM WORKING ON?

16:26

VOLTAGE CHECKS – SAFE ISOLATION – SINGLE PHASE – THREE PHASE – REVERSE POLARITY – HOW - WHERE - WHAT

09:27

MINOR WORKS CERTIFICATE – WHEN TO ISSUE A MINOR ELECTRICAL INSTALLATION WORKS CERTIFICATE or MEIWC

19:48

IP CODES IN ELECTRICAL EXAMS – 18th Edition - 2382 – 2391 – PREPARATION & HELP - QUESTIONS & ANSWERS

12:30

KINETIC SWITCHES – HOW DO THEY WORK – NO WIRES BETWEEN SWITCHES, HOW DO THEY DO IT – WHAT IS KINETIC

15:15

THE 80% RULE – Zs MEASURED – Zs TABULATED – WHAT IS THE DIFFERENCE? – WHICH ONE TO USE WHEN AND WHY

17:06

EXTENDING RADIAL CIRCUITS – ADDING LIGHTS TO SOCKET CIRCUITS – HOW MANY SOCKETS? – BREAKER? – CABLE?

19:20

18th EDITION – AMENDMENT 2 - EXAM HELP - TABLE OF TABLES – QUESTIONS AND ANSWERS – BETTER RESULTS

14:51

NO CPC LIGHTING – WHAT TO DO IF THERE IS NO EARTH IN THE CIRCUITS – WHAT DO THE REGULATIONS SAY?

15:23

LED DIMMERS – HOW THEY WORK – WHY THEY FLICKER – WHAT HAPPENS INSIDE A DIMMER – CAN I MIX LAMP TYPES

29:00

18th EDITION EXAM HELP – 2382 - BS7671 AMENDMENT 2 – Zs – Zsm – Cmin – USING THE TABLES - QUESTIONS

19:50

2391 EXAM HELP – BS7671 AMENDMENT 2 - ELECTRICAL INSPECTION AND TEST - EXAM QUESTIONS AND ANSWERS

19:42

ELECTRICITY GENERATION – HOW ELECTRICITY IS MADE AND DISTRIBUTED – AND HOW IT GETS TO YOUR HOME

13:09

KITCHEN ELECTRICS – WHERE TO INSTALL SOCKETS – COOKER INSTALLATION – DIFFERENCES IN WELSH KITCHENS

10:47

DIMMER SWITCHES – HOW THEY WORK – AN EASY INTRODUCTION TO HOW THEY CONTROL & VARY THE LIGHT OUTPUT

18:50

TRANSFORMER CALCULATIONS – HOW TO MAKE ELECTRICAL CALCULATIONS – INPUT AND OUTPUT VOLTAGES AND WATTS

19:40

OBSERVATION CODES FOR EICR - ELECTRICAL INSPECTION AND TEST - THE RIGHT CODE AT THE RIGHT TIME

19:03

VOLTAGE DROP CALCULATIONS IN 3 PHASE INSTALLATIONS AND SINGLE PHASE CIRCUITS FROM A 3 PHASE SUPPLY

15:46

LOOP IMPEDANCE & PFC – ASSESSMENT TIPS - PROSPECTIVE FAULT CURRENT ZE PSCC ZS – UNDERSTAND THE TESTS

15:30

VALIDATE TEST RESULTS FOR RING CIRCUITS – R1+R2 – Zs – AM1 AND AM2 ASSESSMENTS – TEST AND INSPECTION

17:08

WHAT IS POWER FACTOR OR PF – WHAT DOES kVA MEAN – WHY ARE kW DIFFERENT TO kVA – WITH WORKED EXAMPLES

16:24

MORE MAGIC NUMBERS FOR ELECTRICIANS – 35 AND 44 – HOW TO USE SHORTCUTS TO FIND ZS – AND MUCH MORE

14:56

3 PHASE LOST NEUTRAL – WHAT HAPPENS – WHY IS EQUIPMENT DAMAGED – A LOOK AT THE THREE PHASE WAVEFORMS

19:39

ON-SITE GUIDE - APPENDIX F – PART 2 – VOLTAGE DROP - HOW TO CALCULATE IT – HOW TO SELECT CABLES

17:32

CABLE SIZE CALCULATIONS – ON-SITE GUIDE APPENDIX F – AMENDMENT 2 – USING THE TABLES – MAKING CHOICES

15:25

ZS – LOOP IMPEDANCE – WHY SO MANY NUMBERS – HOW TO CALCULATE THE CORRECT ZS – WHAT THE NUMBERS MEAN

12:01

SHOWER ZONES AND WET ROOMS – WHAT ARE THE ZONES AND THE REGULATIONS – 18TH EDITION AMENDMENT 2

12:56

3 PHASE BOARD WIRING – THREE PHASE ELECTRICS – MIXED BOARDS - HOW TO AND CONVERTING TO SINGLE PHASE

11:14

ZONES IN BATHROOMS – BS7671 WIRING REGULATIONS AMENDMENT 2 – CONFORMING TO PART P & THE REGULATIONS

07:13

SMART SWITCH NEUTRAL – HOW TO BE SMART SWITCH READY – TAKE NEUTRAL TO THE SWITCH IN A 3 PLATE SYSTEM

14:25

LIGHTING CIRCUIT TESTS – ONE WAY AND TWO WAY – 3 PLATE METHOD – EASY AND ACCURATE FOR BEST RESULTS

18:24

ELECTRICAL FORMULAS YOU NEED TO KNOW – HOW TO RE-ARRANGE AND TRANSPOSE A FORMULA – KEY EXAM HELP

11:28

BATHROOM FAN WIRING METHODS – 2 PLATE AND 3 PLATE METHODS – OVER-RUN TIMER – EASY TO FOLLOW DRAWINGS

09:31

BROKEN NEUTRAL – HOW TO FIND IT – HOW TO TEST THE CIRCUIT AND THE VOLTAGE READINGS TO BE EXPECTED

13:35

RING CIRCUIT FAULT FINDING – FINDING BREAKS IN THE CABLE – TESTING METHODS – HOW TO TEST THE CIRCUIT

10:36

SPURS AND ZS ON RING CIRCUITS – CAN I SPUR – HOW MANY SPURS – DOES ZS CHANGE – FUSED & UNFUSED SPURS

12:17

PULL THE MAIN FUSE – CAN WE, OR CAN’T WE? – FINDING THE MPAN NUMBER – HOW TO STAY SAFE AND LEGAL

14:58

FINAL CIRCUITS AND THE ON-SITE GUIDE – CABLE LENGTH ADJUSTMENTS FOR VOLTAGE – HOW TO USE THE FORMULA

07:10

18th EDITION CHANGES – BS7671 – AMENDMENT 2 – CORRIGENDUM MAY 2023 – HOW TO GET YOUR FREE DOWNLOAD

13:20

TWO WIRE - TWO WAY LIGHTING – INTERMEDIATE LIGHTING – 3 WAY AND 4 WAY – SWITCH POSITIONS AND MORE

13:48

Y PLAN HEATING – WIRING DIAGRAMS – HOW IT WORKS – EASY TO FOLLOW STEPS TO UNDERSTAND Y PLAN SYSTEM

11:04

3 WIRE 2 WAY LIGHTING CIRCUITS – WHY YOU WILL STILL COME ACROSS THEM TODAY AND HOW THEY WORK

12:04

HOW TO FIND AMPS FROM WATTS – HOW TO CHOOSE THE CORRECT FUSE SIZE – EASY HELP FOR HOUSEHOLDERS

11:57

CABLE RESISTANCE TABLES – OSG ON-SITE GUIDE – GUIDANCE NOTE 3 – HOW TO USE THEM – EASY CALCULATIONS

16:33

RCD TYPES - AC, A, F & B – WHY ARE THEY DIFFERENT– WHAT ARE THE TESTS - PROTECTIVE DEVICES PART 4

12:09

ELECTRICAL CERTIFICATES - WHAT FORMS DO I NEED TO COMPLETE? - 18th EDITION AMENDMENT 2 – BS7671

12:16

OHM’S LAW AND THE POWER MATRIX – HOW TO COMBINE FORMULAS – HOW TO MAKE CALCULATIONS – EASY TO USE

11:05

Zdb – WHAT IS IT? – WHY DO WE HAVE Ze? - WHY USE Zs? – TESTING Zdb & RECORDING ON TEST CERTIFICATES

07:14

ADD A LIGHT TO A ROOM - PARALLEL LIGHTING – WHAT CONNECTIONS TO MAKE AND THE CHANGES TO BE MADE