I have to rewire in a mains fail relay that will inform us when REC power has been restored.
At the moment we have REC supply leading to changeover siwtch that is fed by the REC or a generator. The mains fail relay is upstream of this, so will indicate mains on either REC or generator.
I would...
hi, ive just booked an elecsa assessment (well yesterday) and now im waiting for a date. ive been planning to do this for the last 18 month.... ive been thinking for ages it'll be ok, ill be fine but now ive paid im pooing myself i've convinced myself i dont know what im doing and a load of what...
I fixed a lead of an drill that was damaged the other day, and was thinking if the customer had not wanted me to fix it could i of put a failed evan tho i arnt a pat scheme member as sometimes you do see things in houses witch are a fail without testing, normally i just tell people if i see...
I have just replaced a consumer unit and have one or two problems.
The first is taht on testing RCD trip times they will not trip. On x 1 tester reads 310ms but no trip, On x 5 tester reads 50ms but no trip. Thers are four rings with 2 on one RCD and 2 on the other and none of them trip.
The...
as said in the tiltle i did my am2 over last 3 days but i went over by 33 mins on my installation, does anyone know if thats a fail.
all my istallatin was elecrically sound and all test results were good, and functional test everything worked, just a bit worried about going over my time.
on...
hi all i have been doing a lot of periodics recently for the housing assocoation and i was amazed at the lack of electrical neglect that i found for instance missing main earth bonds,db covers missing, high ri1 r2 values, high impedance values, ins resistace values of 34 meg, missing covers on a...
I have a customer who has just had a bill land on his mat for £16000 in a year - 55000KWH used according to the meter which has jumped from 27000KWH to 82000KWH in the space of a year on the Normal reading, and the LOW reading has seen an increase of around 15000KWH too.
It's on a farm which is...
done some ceramic tile work today on a new extension (home) when i removed the sockets there was no grommets and no earth link to the steel back box red to brown cable crimped together black to blue crimped together shoved into the back box all cables coming up from the worktop under the kick...
Folks,
New shed CU, 16A & 6A MCBs with integral 30mA RCD main switch. RCD test at 1x is >400ms tho' 180 degree test ok at 18.6ms. That's a fail though yes? Max measured time being >400 ms.
Just asking....don't get RCD fails often. :confused:
Cheers!
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