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Best practices

Hi all can someone please give me some advice on the following? 

 

  1. say you’re maintaining a circuit and you realise parts of the circuits do not comply to the regulations what is the standard procedure for example ZS values that do not comply or IR that’s too low. I know in the industrial setting we are pressured to keep things going (critical kit) but say even if we’ve got it in writing we’ve said it’s potentially dangerous and we’ve been told in writing to switch it back on who is then at fault?

 

  1. say the circuit is an old installation and complied at the time of installation if we were then doing work on that circuit say for instance changing adding a spur to sockets that aren’t RCD protected what is the protocol with regards to bringing it up to current standard? 

 

Parents
  • In what way is an IR fail a safety breach ? in the sense of how does it hurt a person? 

    If you have a higher than target Zs, how high, and what does the ADS operating  time become?

    Who is at risk is very much a factor, not in the regs perhaps but in the world of the HSE. 

    Suitably trained / qualified personnel are after all allowed to work with things live and covers off, if the situation can be shown to require it.

    And if the trained maintenance guy is off, you don't give his keys to someone who has no idea what they are doing - not just  electrical - it could be risk of entrapment in confined spaces, working at height , nasty atmospheres in wells or pits,  any amount of training  and qualifications, depending on the situation.

    Now I am not advocating a gung-ho approach to safety, but it is important to be able to grade the risk of leaving something on versus the risk of power being removed.

     

    Mike.

Reply
  • In what way is an IR fail a safety breach ? in the sense of how does it hurt a person? 

    If you have a higher than target Zs, how high, and what does the ADS operating  time become?

    Who is at risk is very much a factor, not in the regs perhaps but in the world of the HSE. 

    Suitably trained / qualified personnel are after all allowed to work with things live and covers off, if the situation can be shown to require it.

    And if the trained maintenance guy is off, you don't give his keys to someone who has no idea what they are doing - not just  electrical - it could be risk of entrapment in confined spaces, working at height , nasty atmospheres in wells or pits,  any amount of training  and qualifications, depending on the situation.

    Now I am not advocating a gung-ho approach to safety, but it is important to be able to grade the risk of leaving something on versus the risk of power being removed.

     

    Mike.

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