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I phoned NICEIC for an advice and I was told there are 2 options number one re wire the lighting circuit again and option two to replace all switches and lights holder to non metal to prevent an electric shock and place a sticker .

no i have already passed it 4 weeks ago home but i just not too sure about the job i came cross and this will be my 1st time issue a certificate

you mean will not pass NICEIC for new CU till rewire the lighting

HI. Just come cross job an old consumer unit and i have upgraded to RCBO and realised there is no CPC in lighting circuit will it pass the 18th edition.

Sorry I meant 0.8 ohm for TN S

I thought 0.12 ohm is greater than the accepted allowance 0.8 !!

Hi everyone I just checked my Ze and I'm getting 0.12 ohm for TN-S and i believe should be within 0.08 please advise.

Use wet hover on hot tap it's an air lock

I need the wiring diagram for hive

Hi everyone I have installed new worcester 18ri heat only boiler with 2 zone valves and I have never installed have thermostat before. Thanks

thanks for your help but I looked at the PCB there is no terminal for SL please see the attached photo

do you mean the L cable from the boiler terminal has to terminate into orange wire in the wiring centre ! thanks

Hi everyone I need help wiring up a Vaillant system 637 ecotec shall I just follow Honeywell s plan as shown below

thanks I don't want to replace the existing wiring centre too much hassle i just have installed an underfloor heating and im adding new zone valve and not sure where the orange and brown and gray need to be terminated in the s plan wiring center. cheers

thanks for you replay ,im not sure where the orange and gray and brown wires terminate in the wiring center the client have Worcester s plan .

Hi everyone I need your advise how to wire up a heatmiser underfloor heating to an existing s plan system. thanks

:(

still looking 4 help

thanks tony for reply I don't know how to check if it moving or not but It brand-new part should do.