To view this video, CABLES LENGTH CALCULATIONS and R1+R2, click on the link below https://www.youtube.com/watch?v=Qq_9MNH8XxU To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA An important skill for any electrician is to be able to calculate cable resistances for given cable lengths and to able to determine the R1+R2 values for the different…

To view this video, 18th EDITION – Session 1 , click on the link below https://www.youtube.com/watch?v=3sp-NByk0Q8 To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA Are you studying for the BS7671 Wiring Regulations 18th Edition exam? Or are you just looking to update your knowledge and skill in using the Regulations book? Whatever…

To view this video, CABLE TESTING … CONTINUITY and INSULATION RESISTANCE TESTS, click on the link below https://www.youtube.com/watch?v=tT3eGK1b0Yk To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA When assessing electricians we have sometimes found areas of knowledge that were not fully understood or appreciated. Why do we test both continuity of conductors and…

To view this video, CONSUMER UNITS … WIRING A 2 WAY SPLIT LOAD BOARD, click on the link below https://www.youtube.com/watch?v=8uu8kcn4eIY To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA A 2 way split load consumer unit is common place for many new installations nowadays, and properties that have been rewired will have been…

To view this video, EARTH LEAKAGE MEASUREMENTS, click on the link below https://www.youtube.com/watch?v=VrvT2tdCbm4 To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA It is a requirement of the Wiring Regulations that electricians measure the earth leakage currents in an installation upon completion of their work. By testing that the earth leakage is within…

To view this video, PROTECTIVE and SWITCHING DEVICES, click on the link below https://www.youtube.com/watch?v=IR2_9N7J4DY To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA Every electrical accessory, switches, RCDs, circuit breakers etc. will have been designed to perform certain functions, according to a common standard of manufacture, the British Standards and/or the European Norming…

To view this video, HOW RCDs WORK, click on the link below https://www.youtube.com/watch?v=6OgaB0BIj18 To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA Have you ever wondered just how an RCD works? How does it detect those minute differences in current that can mean the difference between a harmful electric shock and walking away…

To view this video, RING CIRCUIT VOLTAGE DROP, click on the link below https://www.youtube.com/watch?v=blPi_pZ1jRQ To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA The voltage that is lost in electrical cables is a product of the size of the cable, the current load and the length of the circuit. Many electricians can calculate…

To view this video, LANDLORDS ELECTRICAL INSPECTIONS, click on the link below https://www.youtube.com/watch?v=xf98CCT80FM To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA You must, by law, comply with the New Regulation if it applies to you. From April 2021 any private rented property that is occupied must comply with the new mandatory requirements…

To view this video, BATHROOMS and SHOWERS, click on the link below https://www.youtube.com/watch?v=sJyYIob_ha8 To view all our videos, click on the following link https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA In this video we will be looking at bathrooms and showers and shedding light on some of the often asked questions. What are the zones in a bathroom? What about a…