Ring vs Radial Circuits 🔆

Jake and Tim discuss the common methods of wiring, debunking the myths of the end of the ring final circuit ⚡
The ring circuit has been used for years and was first brought into practice when there was a shortage of copper. With loading an issue it was a way of sharing that around the home.
Are you a ring or radial electrician? Tell us your preferred method of wiring below ! 🤔
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#circuits #electrician #sgtv #ring #radial #wiring

[@angelofranklin1]

Most if not all countries use radial and not ring. The danger of the ring is heavy louds are plugged in inadvertently at the origin or near origin of the ring the cable can easily be overloaded due to most of the current taking the shortest route back to the distribution board

[@BobBenz55]

Interesting 4mm cable in radial … 👍🏼 rewired my house using the ring main method as I was advised that option.

[@Weaselspleen75]

One disadvantage of a radial i can think of would be loss of cpc near the circuit start- all sockets and connected loads beyond lose their earth and the customer wouldn't know. Another disadvantage is the need for bigger boards. I wired my new kitchen in a 4mm ring on a 32a rcbo, The thinking behind it for me was any loss in ring continuity wouldn't be an issue as the cable is big enough for a 32amp device where as a 2.5mm ring isn't when a break occurs. also i could get a really long ring and just have one rcbo saving space.

[@craiginboro679]

The reason why we switched from Radial to Ring was it used less wire and has less connections in the FB. Now manufacturers want to sell you bigger FB/CU and more wire. Regards cable sizes, sparkies have always used oversized cables because they can't do the maths. You can run an electric shower off 2.5mm with no more overheating than you can detect in a kettle lead.

[@tonywatson1412]

Design and placing of end of radial socket could be taken into account. vis a vie overloading....and if it could.. maybe be a biggish load .. dedicated circuit ?

[@jasonmaguire9425]

I trained in France where it is all radial and dual pole breakers. Ring circuits with 32 amp breakers sounds like a recipe for disaster. Way to high with much potential to go wrong. Keep the breaking points low and the amount of sockets on each circuit defined. Simple and safe. Not perfect but compared to ring mains....?

[@station-7]

And yet no one’s dying from these dangerous ring mains in their houses after a century of living with them.

[@jasonmaguire9425]

@@station-7 actually they do. There are house fires. Most are probably saved by the fuse in the plug which you don't need in radial circuits when designed correctly. The reason you need a fuse is because 32A is way too high for domestic appliances that aren't in the kitchen. The 32A breaker isn't going to break is it!? Why does the rest of the world use radial circuits? Remember the ring circuit was brought in only because resources were scant and not as a system with the most safety in mind.