General > General Technical Chat
Post a picture of your Fuse Box
nfmax:
Slightly off-topic, but when wiring up systems (not CU's) using e.g. DIN rail terminal blocks with cage clamps, I was taught it's best to always use ferrule crimps with stranded wire, so I do. Is this still good advice?
Red Squirrel:
Here's my 100a service (Canada) 200a is more typical here but this is an older house. I think it used to have a fuse box back in the day then it got swapped but the big cut off stayed behind. Normally the service is wired straight in, but having the separate cut off is actually nice. I eventually want to put a transfer switch to transfer to a generator or my solar system so I would put that between the cut off and the panel.
Oh and don't mind my terrible spray foam job. You have seconds between sprays before your nozzle clogs so between moving step ladder around etc I was working really fast. It's a harder job than the pros make it look. :P
Don't turn the breaker off... take it apaaart!
Main water line runs right above it. Not ideal... lol.
Bonus pics of solar system:
"main" panel in house fed from solar system in shed. I recently ran outlets from it to a few rooms to have solar power within reach.
Solar setup in shed
Main shed panel fed from inverter. Powers shed lights and has feed going to house to other small panel I shown
24v battery bank using golf cart batteries
(Didn't realize pics would be that big)
Monkeh:
--- Quote from: Gyro on October 10, 2022, 09:15:00 am ---Personally I think 'cage clamp' terminals are the primary culprit, particularly on the incomming supply tails into the consumer unit. Even when tightened to the correct torque, the thick 25mm2 stranded tails will easly work loose under movement and thermal cycling. If people don't use the appropriate torque settins and torque screwdrivers, the problem is even worse.
--- End quote ---
Primarily poor practices installing (not torqing, not double checking, not fixing the tails in any way except in the terminals..), but yes, those terminals aren't wonderfully suited to typical 7-strand tails. The 19 strand types are better, but really we need to get people to crimp proper bloody lugs on.
Gregg:
Pictures of my 200 amp 230 volt breaker panel in rural USA where the meter is outside in a separate enclosure. It is a Cutler-Hammer brand with tinned copper bus bars that support bolt in breakers (the breakers are attached to the bus bars with machine screws. In 2006 I replaced a Zinsco panel from 1970 that was jammed full.
themadhippy:
--- Quote ---Primarily poor practices installing
--- End quote ---
Like not doubling over single smaller cables,but then again thats also a problem on most other terminals
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