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  1. C

    Earth to an isolator?

    Thanks, Davesparks! That's what I'll do - run the cpc back from the inverter so only one single in the isolator. Not so much of a squeeze now! Another small query- does the cpc have to be the same size as the conductors? Circuit is 25kW, 3-phase. Using online cable calculators, using xlpe swa I...
  2. C

    Earth to an isolator?

    It's the cpc - have to use the IMO as thats what is supplied, unfortunately, not my choice.
  3. C

    Earth to an isolator?

    I am about to install a 3-phave PV system connecting the DB MCB to the isolator (IMO) in 4-core SWA and from the isolator to the inverter in 4-core Kopex flex plastic conduit. I am planning on running the separate earth from the DB direct to the PV PE point. The SWA armour will be earthed at the...
  4. C

    Connecting 2kW generator to distribution board

    I think i'll walk from this one and offer an extension lead to run the freezer. I quite like my intact public indemnity insurance! How big are the 3 position changeover switches? I imagine larger generators have the facility for voltage regulation/ inversion?
  5. C

    Connecting 2kW generator to distribution board

    Im registered MCS installing PV systems and have come across a client who would like to connect his 2kW standby generator to his distribution board to power the lights & freezer during a power outage. There are no other alternative supplies installed. The only way I can see how it would be done...
  6. C

    Strange wiring

    Scratch the sheath & if it shines its lead.
  7. C

    Strange wiring

    Sounds like lead sheathed cable. If it is its best not to connect to it & better to remove it and rewire the circuit. If the client doesnt like the sound of that I would walk away from the job.
  8. C

    Introduction

    Hi, just introducing myself! Originally an electrician at a gin distillery early eighties, then a long spell in IT and now running my own Electrical business since 2005. Just getting up to speed with Tweets etc and this forum is a goldmine of advice & knowledge!

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