I’ve had a weird one today. Banjo having 50v on it.
L - main earth = 230v
L - N = 230v
N - main earth = clear
I have 50v on the live - banjo & 24v on the Neutral - banjo.
Disconnected both sides of the armoured and done insulation resistance between all cables and all <999.
As a trainee can I ask why the banjo is on the outside of the Wiska box. I understand that the earthing of the SWA must be maintained but would having the banjo outside mean you need to drill through the IP66 box to connect to earth and by doing that are you not compromising the IP rating? I...
I am having to redo the installation side of the AM2s as I failed the conduit.
I was thinking about the banjo on the SWA, is it meant to go on the inside or outside of the enclosure that the gland fixes too. I asked the assessor and he said he cant tell me. Seemed to me they are looking for it...
Straight forward question, is there any point putting a banjo on one end of a cable and not the other when glanding both ends? Also do you need the banjo if one of your cores is an earth?
Looked at a DB yesterday and noticed that all 8 circuits were using the armour as the CPC, but the banjos at the DB end were just screwed into the steel enclosure using self drilling screws for steel. Surely this isn't correct. I have salways been shown and told that if the armour is the CPC...
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