Electrical Advice

2nd Garage Board Discussion Thread2nd Garage Board Electrical Advice

Hi, Just a quick question on installing a second board for Solar PV in my garage.
I have a 2 way board at the moment with RCD protection for lighting and sockets, supplied from the main house DB (20A 4.0mm cable).
I have previously installed a separate 6.0mm cable from the main DB to the garage for Solar PV.
Couple of questions?
1. I have connected the 6.0mm cable for the Solar PV to a 32A MCB directly off the...

 

Can two AC sources be merged? Discussion ThreadCan two AC sources be merged? Electrical Advice

I have a small camper. Input to the AC distribution panel normally comes from a 30A shore power source. I can also feed the distribution panel from an inverter powered by an LiFePO4 battery. The inverter output taps into the distribution panel on the same bus bars to which the shore power connects. Thus, it is possible that the camper could be supplied by shore power, and if the inverter...

 

Is it enough to prove safe isolation on a circuit which is controlled by a PIR on a seperate circuit ? Discussion ThreadIs it enough to prove safe isolation on a circuit which is controlled by a PIR on a seperate circuit ? Electrical Advice

Hi Guys currently doing my apprenticeship and looking for some external advice regarding safe isolation.
Situation is a circuit supplying some external street bollard lights and 1 or 2 street lamps. This circuit is fed via a single phase MCB then...

 

Storage heater not heating up but powered Discussion ThreadStorage heater not heating up but powered Electrical Advice

Hi guys,

I'm on a job where one of the storage heaters isn't heating up. it is a dimplex model FXL18N 2.34kW.

There are two of these heaters in the property but one is not heating up. I've checked & bypassed the supply using peak supply to verify that electricity is getting into the heater.
At the elements 240v, resistance is 23.7 ohms.

The control / thermostat...

 

DIY - Looking for advice on a re-connecting a ceiling rose loop Discussion ThreadDIY - Looking for advice on a re-connecting a ceiling rose loop Electrical Advice

Looking for advice on how to re-connect a ceiling rose loop connector.

I am trying to achieve room 1 and room 2 lights to be independently on and off. This previously worked until i decided to try and change the fitting without taking a photo of the wires as they were when working. Yes i know, school boy error.

The...

 

Fluke 1653 fuse Discussion ThreadFluke 1653 fuse Electrical Advice

I have a fluke 1653 which gives me a fuse error, but only when voltage is present. Done some research but not found anyone with the same issue... just wondering if it’s time to retire the fluke as I know it’s getting on a bit now...

just seeing if anyone’s had/ seen this before, I’ve tried a new fuse btw.

thanks

Fluke 1653 fuse for the original thread on Electricians Forums

 

Do any one have the Connection details of L2200 JUMHO Signal Controller ( Navigation Panel) Discussion ThreadDo any one have the Connection details of L2200 JUMHO Signal Controller ( Navigation Panel) Electrical Advice

Good Day to All of You,

Do any one have the Connection details of L2200 JUMHO Signal Controller ( Navigation Panel)

Thanks & Best Regards

Do any one have the Connection details of L2200 JUMHO Signal Controller ( Navigation Panel) for the original...

 

Connect retic controller to Dol contractor Discussion ThreadConnect retic controller to Dol contractor Electrical Advice

Hi, after some advice as my retired electrician father in law can’t figure it out.

We purchased a house with a bore, I have attached the current setup in a picture. The dol contractor is always on so we have to use the isolator switch to turn off and on (he said saomething about the isolator being broken as when turned off there is still one phase that is live on...

 

help what to do now? (electrics) Discussion Threadhelp what to do now? (electrics) Electrical Advice

so straight to the point these are the qualifications I did back in those times however, I did not do an nvq lvl 3 am2 an such because It was hard finding a apprenticeship or electrician or company to work for and it didn't help that I didn't have a car back then.

Electrical Installation C+G (7202) Level 1 (2015 – 2016)
Electrical Installation C+G (2365) Level 2 (2016 – 2017)...

 

Two way switch controlling two lights Discussion ThreadTwo way switch controlling two lights Electrical Advice

I have recently upgraded my hallway lighting to a two way system and it worked perfectly fine on my original ceiling lights. I have now replaced the original lights with new fittings and now having issues. Only one light will work at a time depending on the removal or changing of bulbs in the other light. I am extremely confused. Any help would be appreciated???

Two way...

 

PVC conduit question Discussion ThreadPVC conduit question Electrical Advice

Hi all, I'm not so familiar with pvc conduit having used it very little in the past. However, I have a small workshop/man-cave to wire, it is attached to a small domestic dwelling. I need to wire this part using 20mm conduit.
I have a few questions:
1: Am I right in thinking I can wire multiple circuits together in the same conduit? (ie socket outlets and lighting)
2: Can I use a single cpc for all of...

 

ZS AT DB Discussion ThreadZS AT DB Electrical Advice

Hi

When filling in an Schedule Of Test Results, the top left box asks for ZS at DB.

On an installation with only one DB will the ZS at DB recorded as the same value as ZE.

After performing a ZE test can you reconnect the Earthing conductor and test for ZS and use that value.

Parallel paths will occur ?

Thanks

ZS AT DB for the original thread on Electricians Forums

 

8 best video door bells; which camera doorbells do you use? Discussion Thread8 best video door bells; which camera doorbells do you use? Electrical Advice

Saw this guardian article and thought it was pretty fair...

 

Hi people, any ideas what the thing circled in red is? Discussion ThreadHi people, any ideas what the thing circled in red is? Electrical Advice

Hi people, any ideas what the thing circled in red is? for the original thread on Electricians Forums

 

Would you recommend installing a 4 gang or 2x 2 gang light switch next to each other? Discussion ThreadWould you recommend installing a 4 gang or 2x 2 gang light switch next to each other? Electrical Advice

I'm considering light switch options for two outdoor lights (soffit + wall light) and indoor lights (porch + hallway). The switches are going to be located inside the house (hallway as you enter) next to the door. The outdoor and indoor lights will be on a separate circuit and I'm...

 

A nice basic question about old fluorescent tubes Discussion ThreadA nice basic question about old fluorescent tubes Electrical Advice

A nice simple (I hope) question. The Mother in Law has an old strip fluorescent light in her kitchen. The tube is starting to show it's age (starting to blacken on the ends) so I've been thinking of converting her to LED. Is it just a case of taking the ballast and starter out of circuit and wiring direct to the tube socket? One end or both?

The lamp...

 

I am looking to complete Level 2 2365 & 3 Discussion ThreadI am looking to complete Level 2 2365 & 3 Electrical Advice

do I have to give exams via centres or can I directly sit in city & guilds exam ? (Experienced electrical)
As I have been reading theory and have experience and knowledge but all the centres I contact to tells me I have to register via them and the courses are costing £2k-3k. Is there any way I only take practical course with them and sit in full exams ? please...

 

Are singles the same as the conductors within twin and earth, just with the grey outer removed? Discussion ThreadAre singles the same as the conductors within twin and earth, just with the grey outer removed? Electrical Advice

I vaguely remember a thread in which someone said they had removed the grey outer on twin and earth, so they could run the line and neutral as singles in conduit.

I also vaguely remember Davesparks (missed member!) explaining why this wasn't OK, but I can't...

 

TN-C-S System Max Zs for Final Circuit Protected By 30mA Type B 16A RCBO Discussion ThreadTN-C-S System Max Zs for Final Circuit Protected By 30mA Type B 16A RCBO Electrical Advice

TN-C-S System Max Zs for Final Circuit Protected By 30mA Type B 16A RCBO

I have read a few articles stating that under BS7671, max permissible Zs earth loop impedance for above circuit is 1667 Ohms.

1667 ohm permissible Zs for above circuit protected by 30mA RCD would only seem to satisfy BS7671 clause...

 

Transfer Switch Grounding Discussion ThreadTransfer Switch Grounding Electrical Advice

I have Generac Homelink Upgradeable Manual Transfer Switch (Model: G0068521 Serial: 3009887938).

The neutral is switch and I believe when this happens it is a separately derived system.

The manual recommended the generator attached to the transfer switch needs to have its neutral bond to the generator frame and the generator needs to be attached to a grounding rod.

My question is why does a...