@sparky.pov: This oven was protected by a 32A RBO, but the feed was only 2.5mm' cable. The breaker could allow enough current to overheat the cable long before it trips. Just because it works doesn't mean it's safe ⚡️ Do you think that is safe? [electrician, switchboard fault, robo, oven circuit, electrical inspection, fault finding, sparky life, electrical work, switchboar upgrade, Australian electrician]
Jay | Your Local Electrician
Region: AU
Friday 05 June 2026 23:50:40 GMT
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Nick :
Tafe teacher said it’s fine to do this. Not illegal as the cable is sharing the load!
2026-06-06 00:12:55
17
Will :
I think you need to do some checking! Doubling up cables is not uncommon. Furthermore in UK 32amp with 2.5mm is normal however they operate ring circuits (fyi I prefer radial, but the point is made)
2026-06-06 14:28:04
2
Coco.happy :
You can parallel cables , but it must be no smaller than 6mm2
2026-07-01 13:00:24
0
Chris :
It shitty but 2.5 is good for 25A in the board. Even though you can’t parallel 2.5 that house wouldn’t have burnt down
2026-06-06 02:52:16
10
hmf21 :
2.5+2.5=5… simple maths man if anything they should’ve added 1mm to it to make 6mm
2026-06-06 06:18:51
7
Sim :
It’s ok my bro it’s about 300mm long can draw high current
2026-06-06 07:55:47
1
Sanchezy!! :
Pulset gear already tells me something dodgy is gunna hidden in there!!
2026-06-06 05:38:22
1
your mother :
Ring main main mate perfectly fine. Look into it
2026-06-06 20:45:32
0
sparkyjets :
Is that to line or load
2026-06-06 00:14:42
1
Frazer Mitchell :
2 cables doesn't equal a larger conductor size? you for real? min may be 4mm parallelled but ur wrong in saying the original statement
2026-06-09 00:22:25
2
Visit Melbourne :
If you are within 500mm live conductors , you are considered working live
2026-06-06 02:46:29
2
Monty Wall :
Not the right way to do it but not wrong either. It’s just a parallel supply, see it very often with consumer mains to bigger joints like factories. Don’t usually see it in a house tho!
2026-06-23 22:16:02
1
Fred Frogger148 :
You can have parallel cables 4mm and over
2026-06-06 07:30:08
1
Jon-Paul Blanche :
It does but the minimum is 4mm2. You can use 2 of the same cables in parallel and the maximum demand is higher cause it can get rid of heat more efficiently
2026-06-07 09:19:26
1
user5593568672586 :
if you removed the insulation but kept wires separate it would still travel through both wires
2026-06-06 08:44:02
1
Reece Emmerson :
That’s exactly how that works lol but can’t parallel cables unless they’re 4mm or above
2026-06-06 08:13:02
1
JoeBlack2037 :
an oven IS typically only 2.5mm on a 16A or 20A breaker. but, it being on a 32A breaker is concerning as it wouldn't protect 2.5mm cable. but it won't combust or anything.
2026-06-07 09:27:58
0
Sultan :
not legal, but would've got him out of trouble, should've really been a return trip to fix
2026-06-06 07:04:37
1
damonz79 :
Physics says multiple cables is fine, standards say it’s not. The total surface area of multiple cables is what helps, it’s why a stranded copper cable is better than solid core. However the standard has minimum cable size requirements.
2026-06-12 16:53:55
1
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