OEM/ODM Manufacturer XJM7 Measuring Box (Low Voltage Power Measurement Box) for Los Angeles Factories

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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USE:

XJM7 series of lighting Power metering box is suitable in power centralized measurement management of apartment buildings office buildings. Pulse-type power meter can be installed  to according to the design needs to achieve computer management. Besides, proper location is preserved to install remote-measuring remote sensing equipment. There are small circuit breakers installed in the cabinet to protect the line from overload, short circuit. The power meter and circuit breaker rated current are selected by design.

In line with GB7251.1-1997 and 7251.3-1997 standards.

3C certificate:

XJM7 Measuring Box (Low Voltage Power Measu-2





Demonstrating the full shut off feature of a Cutler Hammer CH GFCI Circuit Breaker.

Classic Electric, LLC, Rahway, NJ

Residential & Commercial Service

1-732-770-1437

Website: http://www.classicelectriconline.com

Facebook: https://www.facebook.com/pages/Classic-Electric-LLC/190645776990



How to keep the 1 LED simple solar lights functioning for many years to come. Remove: fungus, rust, clean everything every year, solder the batteries instead of using battery holders with springs etc (= too high contact resistance in a moist atmosphere); use good quality batteries on 1,2 or 1,5 V at 100 mA up to 300 mA e.g. from VARTA. They are always good and endure 2 up to 4 years in this application. Replace the oxidated extremely low quality (!) wiring.

It is a shame that Chinese manufacturers act this way. First video https://youtu.be/U39v8ZzRHYs

The wiring from these 1 LED garden lights from China has such a low quality that you can throw them away after 1 year or less. Don’t buy them. It is an environmental waste. It is a shame that Chinese manufacturers try to earn money this way, by using (in its essence) a good electronic circuit but by spoiling that completely by the extremely low quality wiring, bad construction (moist) and the use of a battery that has no quality and stops after 1 year.

All the videos hat I have published on You Tube can be found via my Channel Trailer: Link is

In thematic order you can find these video’s under the “comments” section. My books about electronics are available via the website from “Lulu”, search for author “Ko Tilman” there. My books are also available via Barnes and Noble and via Amazon. Regarding all my video’s: I constantly keep them actual, so the original video’s with the most recent information are always on YouTube. That is the source, and search there. When my video’s are reproduced or re-edited on other websites/channels you can not (!) be sure about the original content (=really working electronics) and important adaptations to the circuits.

Be aware of that, I saw on the internet many of my circuits reproduced in a poor or even not proper way. I can not help that.
Also important: when you say that it is “better” to make the circuit in an X or Y way, you will get the same answer: make that better circuit that you have in mind an publish it on your You Tube channel.

nb: could also be that the chloro in the pvc (polyvinylchloride) plastic attacks the copper, but there is very high quality PVC – copper wiring since 30-40 years (we read 2017) by western and American manufacturers like Monsanto etc , so it is a pure disastrous way of making cheap isolated wire in China.

Second video (same issue, esp. oxidated wiring and bad plastics used) https://youtu.be/OPA2w8IbRDE

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