existing

existing

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  1. D

    existing light (four wires) into new Led light

    Hi I've got three lights in my hallway that I'm changing to a LED light fitting - they are all controlled by two separate switches. I've done two, but I'm stuck on the third one. The first light had one of each earth, L & N, and the second light had two of each (which I've squeezed in the...
  2. B

    Wiring an Optima G4 Alarm panel to a Reson8 bell box using existing 4 core cable

    I am replacing an existing old bell box with a Reson 8 bell box 8EP420. My alarm panel is a Optima G4. They are connected via a 4 core cable. The existing panel wiring is as follows: Panel Bell box Strobe+ (no connection) A link between T and A Strobe- (yellow)...
  3. T

    Does replacing a mains switch, which feeds an existing DB require all circuits to be tested on the DB?

    Hi Ive been tasked with replacing a mains switch, which is fed from the cutout and in turn supplies a domestic DB. It’s a BS88 switch fuse which I’ll swap like for like, but the existing DB, which is plastic will remain untouched. There will be henley blocks installed between the switch fuse...
  4. D

    Adding downlights and keeping the existing pendant - Loop Outs

    Hi all, DIY'er here looking for a bit of advice so please go easy on me. In my dining room there is an existing single pendant and i would like to add 4x downlights. I have looked at the wiring behind the ceiling plate and it is the usual, (Switch Line) (Loop Out x3) (Loop In) the 3x Loop Outs...
  5. M

    Advice on existing Sub-Panel feeder wires terminating to breaker vs. hot lugs?

    I recently purchased a rural property in Arizona. The property receives power from APS, the local electric utility. Power arrives from the utility meter, terminating to a 200AMP Main Service Panel in a Quonset Hut (think large garage). Inside the main panel is a 60AMP breaker that feeds a...
  6. R

    Replacing undercabinet lighting, unsure of how to handle existing armored cable

    I live in a warehouse condo, converted about 20 years ago. The building dates to about 1870 but with the conversion, all of the electrical was replaced. Most of the branch circuits use armored cable, running from the panel in the bedroom up into a drywall ceiling that covers about 20% of the...
  7. R

    RV plug using existing power run, will this work?

    we just replaced our hot water tank with hot water on demand (natural gas) and still have the old power run for the tank which is 30a 240v. I would like to use that power run to put a plug in for my RV ( 30a 120v). currently the run has a ground and 2 hot wires so I wanted to know that if I...
  8. U

    Can I replace an outside wall light with existing wiring

    Hi all, I'm wondering if it's permitted to replace an outside wall light myself if I use the existing wiring from the old light. In theory I just need to fix new light to wall and connect the wires to the terminals. I had assumed this would be ok because I'm not adding additional wiring. To me...
  9. P

    Adding a heat sensor to an existing, interconnected smoke alarm system

    I currently have a home with 7 interconnected, hard-wired smoke detectors. I have a hard-wired heat alarm in the garage that I need to have interconnected to the rest of the system, per local regulations. My solar installer added the heat sensor but does not seem to know how to handle the...
  10. lozarus

    Second Opinion on Modification to Existing Circuit

    Came into work today with a fairly urgent requirement to install an instant hot water handwash unit in a small commercial kitchenette/servery - circa 2.8kw. Of course, it's in a right difficult area. As the handwash is over 2kW, I'd ideally like to follow OSG advice and give it it's own...
  11. S

    Battery Retrofit of storage battery to existing Solar PV (worried about affect on FIT)

    I currently have a 3Kwh solar PV system which was installed over 12 years ago and getting a very good FIT payment and I don't want to lose it! I'm thinking about having a 10Kw battery installed, the idea being that I can divert excess generation to the battery and also have the facility to top...
  12. B

    Existing 14/2 Romex in 3 way switch light circuit

    Just bought an old house (about 30-40 years old) with a separate shop building. I am in the process of replacing old fluorescent fixtures with new LED fixtures. The lighting is controlled by 2 switches, one at the back door and the other at the front. The wiring appears to run from one switch...
  13. littlespark

    Thoughts on moving an existing CU

    Local funeral place is getting a new mortuary fridge unit, and needs some work done. The CU, just for the room, is high up in the corner, just above the fridge unit. Stupid place to have it, as you need to crawl over the top of the unit to get to it. 2 foot of crawl space, and my dodgy knee...
  14. K

    Hive on a Y plan existing programmer is a Danfoss set 3m

    Hi i am a gas fitter by trade and thought the installation would be straight forward , my current programmer is a danfoss set 3m The back boxes are different , i was hoping for them to be the same like for like, any help/advice would be appreciated thanks
  15. S

    Loading on an existing Kitchen and living room 32amp ring final

    Bit of advise if anyone has time.. I have a customer who brought a new kitchen from wrens. Customer has had the route to the kitsch redecorated 6months ago. I’ve found a route which means 25meter going externally and I quoted to supply new 6mm and ring circuit. They are supplying Oven (13amp...
  16. I

    UK SPD in Existing metal clad CU?

    Hi all! Does an SPD have to go at the front end next to the main switch or can it be fitted with its MCB at the end of the row of MCBS on an existing CU to the far left? EG main switch on the right, end of MCB row on the left will have the OCPD for the SPD, and then the SPD sat to the left of...
  17. S

    Solar Panels Can I add solar panels to an existing system without losing my fits

    Can I add solar panels to an existing system without jeopardising my feed in tariff? I have a 3.8kw system but was thinking of adding a few more. Could I have 6kw of solar but limit the inverter to 3.8kw so it will help in the winter when I need it the most. Or would I need a second meter to...
  18. L

    I.R. testing existing circuits

    The accepted method of I.R. testing existing circuits has been to join L and N together and test to E, to protect against damaging any electronics that were inadvertently left in circuit. However ,with the increase of new types of circuits between L and E as a result of "intentional leakage"...
  19. S

    How to add a sub board when existing DB is fed by an armoured?

    Hi, I have been tasked with a kitchen rewire. The current DB is fed by a 16mm armoured. There is a split load old contactum DB which I don’t fancy buying MCBs for. I have quoted to add a sub DB with RCBO to cover my new kitchen wiring. My question is how would you feed the new DB? Usually I...
  20. C

    Can I spur a socket from an existing fused spur on a ring main?

    I'm sure this has been asked before, but I just want to confirm: Currently I have a spur leaving a socket in the bedroom, into a 13A Switched FCU and running up to power a double socket in the loft. I now want to locate a socket in the old boiler cupboard/airing cupboard to power a tumble...

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