devices | Page 4

devices

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  1. P

    Very quick review on top 4 solar monitoring devices

    Solar-log 200 Wi-Fi £500 +vat Brilliant apps on Android for £6! Cut down versions available for free. It only gives you import/consumption readings no export data! Don’t buy the Wi-Fi version you spend half your life trying to find it. You can logon on multiple android devices. Poor Tech...
  2. D

    lock off devices

    Hi all I am in the need of lock of device for mu part p assessment I have see one but kewtech which is a combination lock. I don't want to buy a big kit just yet. any preferences etc. regards Dave
  3. A

    surge protection devices

    Has anyone had any experience of installing surge protection devices? I'm installing a 300A feed to a busbar chamber and then installing 3x3phase 12 way DB's above. What is the best way to incorporate the surge protection? I've been looking and it seems the only way to do it is for each of the...
  4. C

    fuses/protective devices

    can anyone explain per-arcing i2t, arcing i2t, total let through energy. in relation to fuses/protective devices
  5. M

    PV solar surplus energy to immerision devices

    Hi Im a install solar for a small company and a new customer has asked about devices that put any export power into the immersion instead of back into the grid, have looked at several devices like solarimmersion and they say you just clip onto the main incoming tails, put it on a new 16A...
  6. S

    schedule of inspections help

    Just a quick question, in the general section of this form, 1. presence of under voltage protective devices, there are passive rcds on the cu and no dol starter, I've put n/a for this 2. Connection of single pole devices for protection or switching in line conductors only, all sockets used...
  7. C

    Surge protection devices

    Hi all. i have been asked to install surge protection devices for a lighting protection company on a regular basis. but to be perfectly honest i dont know much about them. are they easy to install? are they expensive to buy? what sort of price should i be charging to install a SPD? could any...
  8. I

    Solar Cache+ and Immersun - Immersion Controls

    Has anyone installed one of these devices and if so do you have any feedback on performance/reliability? I have been speaking with one of the people who developed the system (Terry) and they sound an ideal solution if they work as described and are reliable. A customer has contacted us...
  9. R

    Residual current devices

    Is there any effect on rcd on overvolatge
  10. R

    Do immersun type devices work

    Hi, I'm new on here and am having a 4kw pv system installed this week. I obviously want to get the most from my purchase and have been searching for ideas, one of the best things i can see is the immersun. Is there any other similar devices I should look at or do these type of devices work...
  11. S

    location of isolation spurs for devices

    Hey guys I was hoping you guys could clear some issue up for me ive been asked to snag one of our properties that has be refurbed recently but not being a tester my rules and regs knowledge is a bit lacking. So basically its all about spurs for isolation 1. spurs are required to isolate fridges...
  12. D

    Surge Protection Devices

    Hi guys. Who knows where i can get a simple explanation of these devices and how to use them. Yes i have looked at the big green book [ sec 443 ] and i am struggling. Reg 443.2.1 says that if no overhead lines supply an installation then no additional protection [S.P.D.] is needed as long as...
  13. J

    Help with what to do with my testing devices

    I have a Fluke 12 Multimeter and an edgcumbe peebles metronohm and wondered if anyone knew much about them please. Thanks Jill
  14. Jimmy Boy

    Surge Protection devices

    Hi lads tried a quick search nothing came up, hope you can help, the IT dept has asked me if it is feasible to fit an SPD in the tails before the CU to protect the whole building against V spikes, anyone have experience of knowledge of these ? Thanks Lads J
  15. kingeri

    RCD cop-out

    Was talking with a fellow spark (young chap) tonight and he was telling me about many times he couldn't achieve satisfactory Zs so he just doesn't bother cos the circuit is RCD protected. I said that the RCD is a secondary line of defense....the MCB should still bloody work (in fact it should...
  16. Q

    Why can't I have too many devices on 1 outlet?

    Hello, I've heard that you can't put too many devices on 1 wall outlet like you can't run your computer, refrigerator, oven and a bunch of other devices that need a lot of power... why is that? Why do you have to slit them between different wall outlets? I'm confused....
  17. Ian B

    Mastervolt Sunmaster XS3200 monitoring devices

    Can any of you guys help on this please? We have one of the above that was installed as the quoted Power One inverter wasn't available, however the Power One should have had their Bluetooth Graphic Display included. Is there something similar for the XS3200, or alternatively is there a way to...
  18. infinity

    Eversolar TL4000 wireless data logging...

    Does anyone know if there are any wireless data logging/ monitoring devices for the eversolar? ideally i want to check it remotely as i rent the house out but generally want to just check occasionally its actually working so im not wasting any of the sunshine! Ive heard of the solar eye but...
  19. W

    2391 questions regarding surge protection devices

    Hello, I would be grateful if anyone could check my answers for those two questions and see if it's correct or not? State the a) tests for insulation resistance to be undertaken on a 230V circuit containing surge protection devices which cannot be disconnected Test between L-E, L-N and L-N b)...
  20. P

    DISCRIMINATION BETWEEN RCDs

    Morning Guys I know that if a 100mA RCD is followed by a 30mA RCD, the 100mA needs to be S type. If a 300mA RCD is followed by a 30mA RCD (Farm installation) does the 300mA need to be S Type? Cheers Pete

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