readings | Page 9

readings

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  1. G

    high readings at (some) socket outlets

    I'll be pulling the circuit apart anyway.. However, Thought Id run it past the forum before I do. Been testing today prior to CU change soon. When testing one of the 2 RFC's at the house all was going well, until i got very high readings at about 4/5 of the socket outlets upstairs. I was...
  2. B

    High ZE readings

    Hello all, This is my first thread as joining the group to hopefully learn and possibly assist. I have been a industral engineer for many moons and started as a sprky with a 4 year apprenticeship (yes a long time ago!) - back in those days testing seemed easier and less complex than today but...
  3. J

    FLUKE 1652 Continuity Test

    Hello people. I'm a gold card holding spark with a commercial background (metal munchin'). Recently I've got a job 2nd fixing flats, no problems except i didn't have a test rig so i bought a Fluke 1652 one 2nd hand, had it calibrated and changed the batteries. The problem is with the...
  4. B

    RFC readings

    Hello Went to job yesterday socket on ring had burn out quite badly scared customer to death. First thing i found was a spur from socket in swa no glands just made of in socket out through wall feeding 8 latern lights on patio , water feature and a summer house 4 way cu which in turn fed 6...
  5. N

    TT SYSTEM. Zs readings confusing me.

    Howdy all. A friend of mine has recently bought a house and asked me to pop round and do a few tests just for piece of mind everything's ok. It's a TT system with 30mA split DB Ze(Ra) - 10.59 with all bonding disconnected When I got some Zs readings they were all coming up at around the 15...
  6. J

    Rcd x5 higher than x1 reading

    Hi all, just filling out some paperwork from an inspection a couple of weeks ago and just noticed that a x5 reading is 76.4 and x1 is 28.4-not sure if I've misplaced a decimal point or what.. Going to go back and recheck it tomorrow- how can x5 be higher?
  7. P

    Radial circuit too long

    Hi went to a job yesterday there was 3 ring mains so i thought, after testing them they were radials but were all terminated into 32 a mcbs 2 wire in them did R1 R2 TESTS and readings were high 3.2 ohms/ 1.9ohms these were the highest there are a further 4 radials which are around the 1.9 the...
  8. M

    R1+R2 Readings - Advice

    Hi, Hoping someone can help. I went to a job today where the householder had sixteen downlights installed less than twelve months ago, (no test sheet or certificate for the install), the complaint being that bulbs (240V GU10) are always blowing. I pulled the downlights and checked connections...
  9. infinity

    BIg difference between Inverter and Meter readings

    Went to look at a 10KW install today that was installed last june and company went bust. The Power one 3 phase inverter reads 4274Kwh's where the elster A1140 reads only 4066Kwh's I havent seen one with this much difference before is this an acceptable difference?
  10. M

    Weird Voltage to Earth Readings

    I will refer a weird voltage readings on my mate's workplace.. A newly installed transformer delta-wye, 440/380V will supply a TT power system. He measured 380V per phase on the secondary and 220V L-N.. But when he measured L3 to earth he measured 0V. L1 and L2 to earth is 380V and Neutral to...
  11. M

    Bizarre readings

    RFC step 1 tests :- l-l .31Ohms, n-n .31 Ohms, cpc-cpc 0 Ohms, repeated this numerous times and got same results. Remove crocodile clips from probes and touch cables directly and get sensible results. Repeated this exercise a few times as it didn't make sense to me but kept getting the same...
  12. sparkless

    FiT Meter Readings

    Hi Guys, Just had a man knock my door from Scottish Power asking to take a meter reading from our solar systems generation meter. We've had this system in three years now and that was the first time they have read the meter, I usually e-mail the readings quarterly myself, just a post to see...
  13. M

    Ring final continuity readings.............

    Hi all had a weird one today, actually make it two, tested ringfinal continuity at the board lives were 0.00 and so were neutrals, earths were the same too, not sure why, is it a ring that has been interconnected causing a duff reading?? Secondingly tested another property's ringfinal circuit...
  14. F

    insulation bad readings

    can anyone help. when doing a ir test on ring cct i get a reaing n/l > 299 n/e >299 but l/e 148 this is on new wiring and same problem on three different ccts lighting cct 64 meg ohms nothing is plugged in anywhere all appliancies disconnected. though maybe a bit of bad cable but this is on 3...
  15. C

    Metrel eurotest xe & UPS odd readings???

    Hi all, I'm testing an unoccupied office block and I'm having some major grief with my tester trying to get Zs readings. The place was a call centrre for a computer related firm and as well as the normal supply it has a gert UPS in the plant room (p.resumably to keep the servers etc up and...
  16. A

    Funny end to end and R1 + R2 readings

    I recently changed the fuse board in my house as I job I am goin to used for my nic assesment. Upon testing this I have come across a ring circuit which does part of the kitchen and part of the utility room. When I measure the end to end from the fuse board I get r1=0.12 rn=0.12 and r2= 0.18...
  17. S

    intermittent fault

    Went to job today lady said when the heating had been on for a few hours the ring main tripped taking the rcd with it the boiler is on a separate mcb any ideas
  18. B

    Megger 1552 vs 1720

    Hi all just got a quick question for you all I've been using the megger 1720 recently and think its the best piece of kit going but I can't help to notice that when doing ipf test when compared to the 1552 the readings are considerably lower when tested on the same part of an installation also...
  19. S

    ringmain testing

    Hi, I have just tested an existing ringmain starting with the line conductor reading 0.32 and the neutral reading 0.87, these are both in 2.5 twin and earth, can someone explain why there is a big difference in the 2 readings when the conductors are the same size?
  20. S

    What is a Smart Meter for electrical readings?

    Hi Guys, I heard that Smart Meters will be installed in our county, but I also heard that these meters will affect pacemakers. Any truth to that? If anyone having any suggestions regarding this, please share. I did not get any suggestion from my search so I think you will help me in this...

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