Recent content by Bradley6969

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    General Electrical Knowledge

    Is there any good websites to assist with general electrical knowledge? Currently based doing sales but looking to get back on the tools
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    Load management on multiple EV chargers

    Hi all. After some guidance. Got a customer who’s looking at installing 8no. 22kW EV charging points. The intake / supply is deemed only to be 160A. Is there anything on the market to load balance the whole install rather than at each EV point? I believe he has been at some chargers but are...
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    Hot tub supply

    Why’s that
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    Hot tub supply

    yes, must be all the jets aswell as there’s a few of them and heater once all switched on together
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    Hot tub supply

    Just says 32 amps, has 2kw heater all I can find
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    Hot tub supply

    Sorry actually on 32A breaker
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    Hot tub supply

    Hi, having new hot tub installed, PME supply on 40A breaker 6mm twin clipped direct in loft down to 32A isolator, got some 10mm 2C laying around, and gonna use swa as earth from isolator will that be fine, (thought I’d ask not sure what these companies are like and I’m not around when they...
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    H07BN4-F cable

    Hi, got some BS-EN50525-2-21 which is H07BN4-F am I right in saying it’s double insulated?
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    TNS OR PME

    Can get some
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    TNS OR PME

    Yes only feeds this site
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    TNS OR PME

    Sorry what I meant was the building it’s been took over by another company now and it must be 20+years old
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    TNS OR PME

    No when this site got took over they had nothing
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    TNS OR PME

    Hi, testing on a big site at the mains I’m getting 0.06 ohms now I can’t verify if it’s TNS or PME, as the incoming supply comes into a sealed unit with built in meter, the transformer is directly behind, Ze has been taken with all parallel earths in place as unable to disconnect, any way I can...
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    High Zs RCD for fault protection?

    Ok I kind of understand better now, so the MCB should in theory operate aslong as the correct size cable is used for the rating of the MCB and the Volt drop isn’t exceeded? Appreciate your reply I’ll keep that
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    High Zs RCD for fault protection?

    Hi, kind of follow on from my last post, but my boss hasn’t explained very well hoping you guys can High Zs on circuit, Can you reply on an RCD for fault protection? He’s told me if the circuit is RCD then you can use that as fault protection, obviously you can’t meet disconnection times for...
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