A 500w halogen security light if left on constantly for an hour costs on average 17 pence.

A 500w halogen light produces on average 9,200 lumens of light.

In comparison a 50w Led security light, if left on constantly for an hours costs on average 1.7 pence.

A 50w LED security light produces on average 4900 lumens of light.

The above estimates are costing electricity at 34 pence per kilowatt.

5 Star rated Electricians

Which? Trusted Traders Consumer

★★★★★

JJB electrical completed a full rewire to my house and extension, as my house had all of the original wiring etc. I had a new board fitted and new plug sockets and light fittings throughout. They also completed all of the electrical installation in my new kitchen as part of the work. When complete they tested and provided me with a certificate. I was and am very happy with the work they done, it was prompt and professional throughout and I was particularly pleased with the care taken to ensure that mess was kept to a minimum with such intrusive work. I would highly recommend JJB electrical…

Which? Trusted Traders Consumer

★★★★★

I run a commercial and residential property investment company and use JJB Electrical for over two years for fault finding, repairs, new circuits, additions, consumer unit replacements and Landlord EICR's plus any remedial works identified. Jamie and Dan are very friendly, professional electricians that work as a team so tasks are completed with the minimum of downtime and you can be sure that any works are carried out to the latest and highest possible standards. I am very pleased we have reliable electricians that respond to calls quickly and attend jobs on time. I would, without…

Which? Trusted Traders Consumer

★★★★★

JJB Electrical replaced all our old 12v ceiling downlighters with new LED low energy units. Dan & Jay carried out the work to an excellent standard, they were very clean and tidy throughout their work. JJB ensured all our furnishings/belongings were covered up to protect from any dust or damage. It was a pleasure having Dan & Jay working for us, their attention to detail is excellent, we would fully recommend JJB Electrical to anyone.

Which? Trusted Traders Consumer

★★★★★

I had all of my spot lights added throughout the flat which was carried out efficiently and in a timely manner. I was provided with a full quote and was able to comfortably ask questions which were all explained to me in full. When the works were completed they had left the area tidy - which I was not used to with some other trades. An invoice was provided and I happily paid in full via bank transfer. Definitely would use again - trustworthy and reliable as well as being good at what they do / highly recommended.

Customer in Essex

★★★★★

Since October 2021, when I moved into this house, I have used JJB for work from a complete wiring check and a new consumer unit, to outside sockets, a car charging point, replacement of downlighters with LEDs to significant extra power sockets and loft and garage lighting. I have always found them to give clear technical advice, and be willing to consider and explain options. Their prices are reasonable and they come when they say they will, and do what they promise, and then clear up afterwards.

Customer in Hertfordshire

★★★★★

Wiring in our house is about 40yrs old, thought we would need the whole house rewired. JJB Electrical Ltd completed an 'Electrical installation condition report', this report showed what essential Electrical work needed doing and what was ok. They then discussed this report with us, carefully explaining what needed doing, and what they could do to issue an Electrical Installation Certificate. Thankfully the whole house didn't need a complete rewiring. We had a quote upfront which they kept to.

They required a 50% deposit and 50% on completion. The work was completed on schedule, and…

Rashi Kumari

★★★★★

So refreshing to find trustworthy electricians, they were amazing!!!
Charged a very reasonable price and did a fabulous job.
Completely trustworthy, polite and all round lovely guys.
I thoroughly recommend them and will be using them for any future work.

Paul McGee

★★★★★

JJB are always helpful and knowledgeable. Their prices are reasonable, they come when they say they will, and do as they promise, and clear up afterwards.

Ryan S

★★★★★

I recently had a living room refurbished and needed some light fittings installed after the room was replastered. I live fairly out “in the sticks” and had been finding it hard to get anybody to come and do the work. They were more than happy to travel to the village and the work that they carried out was not as straightforward as I initially thought, being an old property. They were so professional and even ensured that the wiring that I had was up to standard. Not only did they install the light beautifully, they also gave me advice on how to make sure that I maintain the bulbs (they are…

Simon Mills

★★★★★

I needed a new 16A supply provisioned for a split air conditioning system we were installing for a customer. JJB carried out the work and were professional, reliable and did an excellent job. Crucially, my customer was very happy with what they did, so we'll definitely be using Jamie and Dan again.

How much does a 500w halogen security light cost if left on for an hour?

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