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Voltimum News

Welcome to Voltimum's News area, updated daily with all the latest news from the electrical industry.

Q & A of the Day – Replacing a domestic CU, should the existing final circuits’ test values be on the schedule?
ECA
Q&A

Q & A of the Day – Replacing a domestic CU, should the...

Ray asks this question about certifying a replacement consumer unit (CU) in terms of existing circuits. It has...

Did you miss the ECA Electric Event 2015? Watch the video highlights
ECA
Video

Did you miss the ECA Electric Event 2015? Watch the video...

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Q & A of the Day – Must I carry out IR testing on lighting circuits, as this would mean disconnecting every luminaire?
ECA
Q&A

Q & A of the Day – Must I carry out IR testing on lighting...

John asks this question about whether it is necessary to complete an insulation resistance (IR) test on...

Q & A of the Day – When replacing a domestic CU, should the test values be on the schedule of test results?
ECA
Q&A

Q & A of the Day – When replacing a domestic CU, should...

Dave asks this question about certifying a domestic consumer unit (CU) replacement. It has been answered by...

Q & A of the Day – Can I calculate the Ze of this supply transformer system without measurement?
ECA
Q&A

Q & A of the Day – Can I calculate the Ze of this supply...

Ben asks this question about whether he can calculate the supply impedance of a system comprising LV panels...

Q & A of the Day – Will 10mm2 SWA sub-mains cable to OK for this ‘eco house’?
ECA
Q&A

Q & A of the Day – Will 10mm2 SWA sub-mains cable to OK...

Ray asks this question about whether the sub-mains arrangement is acceptable for the loading of the new...

Q & A of the Day – With this bathroom fan installation, must I include a fused spur for protection?
ECA
Q&A

Q & A of the Day – With this bathroom fan installation, must...

Norm asks this question, which concerns a bathroom fan installation as part of a lighting circuit - and its...

Q & A of the Day – Is this metal shed’s electrical arrangement acceptable?
ECA
Q&A

Q & A of the Day – Is this metal shed’s electrical...

Eddie asks this question about an electrical supply and earthing system to a metallic shed. It has been...

Q & A of the Day – Is it OK to parallel three smaller sub-main cables, rather than using two large cables?
ECA
Q&A

Q & A of the Day – Is it OK to parallel three smaller...

Phil has asked this question about whether three four-core cables in parallel can be used in place of two...

Q & A of the Day - Which code of practise covers the provision of electrical power to a fire pump?
ECA
Q&A

Q & A of the Day - Which code of practise covers the...

Ray asks this question, which concerns the code of practise covering electrical power to a stationary fire...

Q & A of the Day – Should I use a banjo with earth link on SWA cable at both ends – even if not used as a CPC?
ECA
Q&A

Q & A of the Day – Should I use a banjo with earth link on...

Ray asks this question about whether a banjo having an earth link be used on SWA cable at both ends, even if...

Q & A of the Day – The bathroom lights dim when an electric shower is turned on – why is this?
ECA
Q&A

Q & A of the Day – The bathroom lights dim when an...

Hamish asks this question about bathroom lighting that dims when the electric shower is turned on, and the...

Q & A of the Day – With this solar PV system, should its PME conductors have been upgraded?
ECA
Q&A

Q & A of the Day – With this solar PV system, should its PME...

John asks this question, which is about a PME-connected solar PV installation, and whether it meets BS 7671...

Q & A of the Day - When this electric shower is switched on, the bathroom lights go dim. What is the reason for this?
ECA
Q&A

Q & A of the Day - When this electric shower is switched on,...

Martin asks this question about a bathroom in which the lighting dims when the electric shower is switched on....

Q & A of the Day – Is it necessary to use rubber safety mats for live working on electrical panels?
ECA
Q&A

Q & A of the Day – Is it necessary to use rubber safety mats...

Mike asks this question, which concerns whether rubber safety mats should be specified for when working live...

Q & A of the Day – Is it possible to use flexible metallic conduit drop to wall socket outlets?
ECA
Q&A

Q & A of the Day – Is it possible to use flexible metallic...

Mike asks this question, which concerns the suitability of employing flexible metallic conduit within a gypsum...

Q & A of the Day – Am I right about Ene3 energy monitoring requirements in terms of the displays needed?
ECA
Q&A

Q & A of the Day – Am I right about Ene3 energy monitoring...

Mark asks this question, which concerns Ene3 energy monitoring and the display requirements for it. His...

Q & A of the Day – Is 300/500V cable OK for 400V circuits or not?
ECA
Q&A

Q & A of the Day – Is 300/500V cable OK for 400V circuits or...

Colin asks this question, which concerns cable voltage ratings, specifically 300/500V cabling. It has been...

Q & A of the Day – If no access is achievable, and when only installing a single circuit, what to do when the fuse rating is unknown?
ECA
Q&A

Q & A of the Day – If no access is achievable, and when only...

John asks this question, which is about the limitations on a domestic electrical installation certificate...

Q & A of the Day – Is it legal for us to carry out this installation work? Or do we have to employ a contractor?
ECA
Q&A

Q & A of the Day – Is it legal for us to carry out this...

Matt asks this question, which concerns whether he is competent to legally carry out electrical installation...

Q & A of the Day – Should I disconnect every luminaire to carry out an IR test on a lighting circuit?
ECA
Q&A

Q & A of the Day – Should I disconnect every luminaire to...

Colin asks this question, which concerns insulation resistance (IR) testing and whether every luminaire...

Q & A of the Day – Why is it, that when the electric shower is turned on, the lights dim?
ECA
Q&A

Q & A of the Day – Why is it, that when the electric...

Ray Smith asks this question concerning bathroom lighting that dims when the electric shower is turned on, and...

Q & A of the Day - What are the correct emergency lighting legends to use, as there is confusion here?
ECA
Q&A

Q & A of the Day - What are the correct emergency lighting...

Lyle asks this question, which concerns the right pictogram to use with emergency lighting exit signs. It...

Q & A of the Day – Where risk assessments are mentioned, does this always mean ‘Fire Risk Assessment’?
ECA
Q&A

Q & A of the Day – Where risk assessments are mentioned,...

Graham asks this question, which concerns emergency lighting in terms of fire risk assessments. It has been...