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BS7671 or Wiring Regulations?

UKPN
There is a guy on here asking "what is the point of the wiring regulations?" He hasnt explained his question, so I would like to expand a little.

If you pass the City and Guilds exam, you are awarded a certificate titled "BS7671 Requirements for Electrical Installations" The term "Wiring Regulations" is not on the sheet.

However, I note that most job requirements ask for 2391/2396/18th Wiring Regulations. Virtually no one talks in the context of " BS7671"

I am wondering if members can give me an idea how the two terms are related, who makes the decisions on "regulations" and who is accountable for those decisions. I have noted errors/confusion on various posts these last few days caused by ambiguity in those regulations and it seems the person who should be protected by these regulations (the customer) is the last to be considered.

Ever the cynic, is the term "wiring regulations" retained  for sentimental reasons or just to sell the book?

Thanks in advance.


Regards, UKPNZap


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    Well, yes and no Andy.


    I meant both Regs require BS 7671 compliance for the consumer installation ... it's just that Reg 21 covers switched alternatives, such as UPS or a stand-by generator etc., whereas Reg 22 covers situations like standard Solar PV.


    It's just the example I used, was Solar PV.


    A straight Solar PV would definitely be Reg 22, but a solar-PV system with a storage battery and island-mode capability is Reg 21 and Reg 22.


    Noting:
    Switched alternative sources of energy

    21.     Where a person operates a source of energy as a switched alternative to a distributor’s network, he shall ensure that that source of energy cannot operate in parallel with that network and where the source of energy is part of a low voltage consumer’s installation, that installation shall comply with British Standard Requirements.



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  • 0
    Well, yes and no Andy.


    I meant both Regs require BS 7671 compliance for the consumer installation ... it's just that Reg 21 covers switched alternatives, such as UPS or a stand-by generator etc., whereas Reg 22 covers situations like standard Solar PV.


    It's just the example I used, was Solar PV.


    A straight Solar PV would definitely be Reg 22, but a solar-PV system with a storage battery and island-mode capability is Reg 21 and Reg 22.


    Noting:
    Switched alternative sources of energy

    21.     Where a person operates a source of energy as a switched alternative to a distributor’s network, he shall ensure that that source of energy cannot operate in parallel with that network and where the source of energy is part of a low voltage consumer’s installation, that installation shall comply with British Standard Requirements.



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