So today I am finishing off this garden shed power supply as its been a bit of a tough one to get over the line for finishing. I will show you how to separate the shed power supply off from the PME and turn this garden shed into a TT system. I show you how to install a earth rod and what to do if the results are good enough.
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00:00 Introduction
01:45 how to install swa cable
02:15 armoured cable problems
05:15 stressed out
06:05 fixing swa to a fence
06:57 TT talk
08:26 how to separate earthing systems
09:50 testing out shed electrics
10:54 how to test ze on a TT system
11:44 poor tt test results
12:04 adding additional tt earth rods
13:14 Tradify
14:46 Test results for a TT earthing system
Why did you have to put the earth rods in and did not chose to utilise the earth terminal on the house consumer unit? Were you worried about the Zs?
So the accessories in the shed are protected by the exported PME R2 conductor in the swa and the rod is connected to the armour at the shed end?🤔
Usually " divorce". the earth conductor in an adaptable PVC box close coupled to the metal unit…sealed…so is never introduced into the c u …only live & neutral in bedding material passing through into the c.u….
All that time wasted on earthing and there was no reason it couldn’t just be connected to PME….
No short circuit protection on the swa coming into db between the casing of the db and the armouring …. That live shoule be doible insulated and i would disconnect the swa from the tt .. that plastic board they didnt have would have solved it or just the pme ..
I'm confused, can someone explain why the earth electrode can't be connected back to the consumer unit, please?
Surely if you continue the CPCs through that (Henson?) box you are not isolating the earths at all? The armoring will be connected to CPCs at the house PME end? The CPCs in the shed will be ultimately connected to the PME earth?
Was there any need for the earth rod at all in that shed mate? No extraneous conductive parts and constructed of wood?
I would have used the PME personally also was that 51 ohms not 0.51 ohms, great video!!
No need for an Earth rod for that type of installation
Mike thought about a hammer sds for the earth rod driving
Are you sure you got 0.51?
Thanks for the video Mike – don't quite understand why you need TT earthing. No extraneous conductive parts? But you know more than I do…