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I am looking for 12V G4 LEDs for a large light fixture. The choice of (current) dimmable LEDs is minimal. However can I dim "non dimmable" G4 LEDs using a constant voltage PWM dimming driver? This appears to work with a single G4 LED in a test setup but I am concerned about longevity of life...

I had a loft aerial install around 5 years ago. I have lost the paperwork but I believe that it has a masthead amplifier (there's power in the loft and the original spec probably involved feeding a multiswitch). I don't recall it ever provided a flawless signal but because I use a PC based...

Hi I have acquired a wooden tongue and groove bike shed for the purpose of housing a cold water break tank and pump. The tank will be insulated (as per WRAS req) requirements but I also plan to insulate the shed. Reading the various insulated shed threads I was planning celotex on the walls...

We have an Abacus alarm. Not sure of exact model but from the command logic its one of these: https://securifix.com/downloads/Abacus%20LCD%20User%20Manual.pdf We don't use it (pets/spiders trigger the PIRs and insurance doesn't require) and therefore cancelled the annual maintenance contract a...

I have a quattro LNB feeding a multiswitch. Can I use passive splitters on the VL, VH, HL, HH cables. I want to connect a Sat>IP server which only exposes all eight of its tuners when its connected to a quattro but while testing I need to keep the multiswitch in service. If yes anything I need...

I have a Grant Vortex 36/46. Its derated to about 32kw but even so in normal weather it spends its time bouncing off the boiler stat, burning for about 2 mins, off for 2 mins, burning for 2 mins etc (I've got temperature loggers on the flow and return). Even with a modulating pump the return...