Summary of Learn Electrical Reference Methods, Installation Reference Methods
The video discusses installation reference methods outlined in wiring regulations to prevent cables from overheating.
Different installation methods affect a cable's ability to lose heat, with plastic conduits being a poor conductor of heat.
The video provides a method for easily remembering the different reference methods (A-F) for cable installations.
Specific reference methods are explained for different scenarios, such as cables touching surfaces, being encased in plasterboard, or surrounded by insulation.
The video emphasizes the importance of selecting the correct cable size based on the installation conditions to prevent overheating.
A brief example is given on how to select the appropriate cable size based on the maximum current and reference method.
Viewers are encouraged to subscribe to the channel for more tech tips and information on electrical subjects.
Speakers/Sources
- Not specified
Notable Quotes
— 00:13 — « In this video we're going to bust the myth that they are difficult to follow ten minutes from now and you will have a new knowledge and a much improved understanding. »
— 00:31 — « If the heat that can be lost from the cable is greater than the heat being generated by the current then the cable will not overheat. »
— 01:21 — « This is a good scenario to aim for if however the current demand on the cable is too great then the cable can very quickly overheat. »
— 03:08 — « Used correctly the tables will tell us that if we know the maximum current that will flow and we know how the cable will be installed then here is the size of cable to use. »
Category
Educational