Codebreakers #57

Codebreakers #57

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Leaving the lack of competence shown by the initial installer of these floodlights aside, more so than ever, we can see why regular periodic inspection of electrical installations is necessary.

There are numerous infringements of BS 7671 here, so I’ll try and deal with them on a sequential basis.

Firstly and most serious is the access to live parts from the termination blocks that are exposed. In extreme cases of weather, these could easily contact the post and cause a potential shock risk for anyone touching it. As the terminal block is not supported in any way, the strain on terminations could cause the live cable to fall, leaving a dangerous scenario where live accessible parts of a cable are on the floor in a public area.

As mentioned previously, the lack of cable containment is a serious issue and could easily cause collapse issues in this scenario. Where black insulation tape has been used to secure a plastic conduit box, it must be remembered that this is not designed for this purpose and will eventually harden, crack and fall away, again exacerbating the lack of proper containment.

Lastly, the supply cable hanging from the terminal block needs to be contained and supported adequately. Without any supporting containment, the likelihood of cable collapse is high in this scenario. I think there is only one way to code these observations…

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