Видео с ютуба Learnelectrics

LOOP IMPEDANCE – WHY IS IT IMPORTANT - Ze and Zs – How does Loop Impedance affect my installation?

LOOP IMPEDANCE – WHY IS IT IMPORTANT - Ze and Zs – How does Loop Impedance affect my installation?
SELV and PELV what is it? ? Learn the difference between the two types of transformer.

SELV and PELV what is it? ? Learn the difference between the two types of transformer.
TT SYSTEMS - WHY MUST THEY BE RCD PROTECTED

TT SYSTEMS - WHY MUST THEY BE RCD PROTECTED
WIRING A GARAGE CONSUMER UNIT – HOW TO – A simple step by step guide

WIRING A GARAGE CONSUMER UNIT – HOW TO – A simple step by step guide
THREE PHASE MOTOR WIRING – DOL – DIRECT ON LINE - STAR DELTA - HOW TO WIRE – CHANGING DIRECTION

THREE PHASE MOTOR WIRING – DOL – DIRECT ON LINE - STAR DELTA - HOW TO WIRE – CHANGING DIRECTION
RCD - RCCB and RCBO Differences explained

RCD - RCCB and RCBO Differences explained
TESTING BONDING & EARTH CABLES – WANDER LEADS & CALCULATIONS

TESTING BONDING & EARTH CABLES – WANDER LEADS & CALCULATIONS
TRACING SOCKET CIRCUITS and other ELECTRICAL CIRCUITS

TRACING SOCKET CIRCUITS and other ELECTRICAL CIRCUITS
CABLE SIZE CALCULATIONS – BS7671 AMENDMENT 2 – LEVEL 3 STUDY - TECHNICAL DIPLOMA – 18TH EDITION EXAM

CABLE SIZE CALCULATIONS – BS7671 AMENDMENT 2 – LEVEL 3 STUDY - TECHNICAL DIPLOMA – 18TH EDITION EXAM
Zdb – WHAT IS IT? – WHY DO WE HAVE Ze? - WHY USE Zs? – TESTING Zdb & RECORDING ON TEST CERTIFICATES

Zdb – WHAT IS IT? – WHY DO WE HAVE Ze? - WHY USE Zs? – TESTING Zdb & RECORDING ON TEST CERTIFICATES
TT SYSTEMS – CHECKING R1+R2 USING ZS AND ZE TABLES – CHECKING YOUR OWN WORK – CHECKING VOLTAGE DROP

TT SYSTEMS – CHECKING R1+R2 USING ZS AND ZE TABLES – CHECKING YOUR OWN WORK – CHECKING VOLTAGE DROP
Zs - TABULATED or MEASURED. An easy method to calculate the Zs values without the books.

Zs - TABULATED or MEASURED. An easy method to calculate the Zs values without the books.
Learn IP CODES and Electrical Ingress Protection

Learn IP CODES and Electrical Ingress Protection
MORE MAGIC NUMBERS FOR ELECTRICIANS – 35 AND 44 – HOW TO USE SHORTCUTS TO FIND ZS – AND MUCH MORE

MORE MAGIC NUMBERS FOR ELECTRICIANS – 35 AND 44 – HOW TO USE SHORTCUTS TO FIND ZS – AND MUCH MORE
Zs TOO HIGH What can I do?

Zs TOO HIGH What can I do?
2391 - RING CIRCUIT TESTING – RESISTANCE – R1+R2

2391 - RING CIRCUIT TESTING – RESISTANCE – R1+R2