Surge protection in street lighting

Hi All first time post

Regarding Street lighting, is there a requirement to install stage 2 SPD in each individual lighting column on a circuit. Or is Stage 1 SPD installed at source (Feeder Pillar) plus stage 3 SPDs in lanterns sufficient.

Kind Regards

Tony

0 AMK 5 months ago

Hi Tony, How does regulation 443.4.1 apply to your situation? Is it a mandatory or optional requirement?
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0 Anthony Williams 5 months ago in reply to AMK

Morning AMK Thanks for replying
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0 Anthony Williams 5 months ago in reply to Anthony Williams

Thats what i am trying to determine with regards to the regulation if it is mandatory or optional. Is it mandatory to install all 3 stages of SPD.
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0 Anthony Williams 5 months ago in reply to Anthony Williams

Thats what i am trying to determine with regards to the regulation if it is mandatory or optional. Is it mandatory to install all 3 stages of SPD.
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0 AMK 5 months ago in reply to Anthony Williams

According to the regulation, the provision is necessary in cases where there is a risk of severe harm, fatality, or substantial loss of money or information. Therefore, I would personally take that criteria into account when making a decision on installing SPDs. Is it even required?
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Surge protection in street lighting

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