Predictions please...
- Thread starter RF Lighting
- Start date
No, but the temperature rise will be about the same.
The quick connect has been rewired with larger flex and now has a 13A fuse 
Sorry about the ambient temperature, but it's winter and I'm not bringing it inside and burning the house down.
The first results are in.
2 hours at 6A
Then a further 2 hours at 9A
More to follow...
Sorry about the ambient temperature, but it's winter and I'm not bringing it inside and burning the house down.
The first results are in.
2 hours at 6A
Then a further 2 hours at 9A
More to follow...
rf, can you take the actual plug temp also please. Can you get the temp of the pins?
Many thanks for doing this mate, when i asked about flex and plug temp i never realized it would progress into actual testing.
Many thanks for doing this mate, when i asked about flex and plug temp i never realized it would progress into actual testing.
Cut to the chase and bang 50A through it
Ye, agree.
Isnt that flex fine for a 10KW shower?
Reading a few posts on here, it wouldn't surprise me how many people actually try the above!
Not that i know (other than reading on here), im not a sparky and far form
it.
PS, love the RF pic of the month. Been following it for a couple of years and sad to see it go. However it seems to of returned
I had thought about how to do some similar tests.
I'd have done it with a step down transformer fed from a variac, and the "far end" of the cable just shorted. Easier control of larger currents, and no need to waste much power.
Insulation probably wants to be larger as well - the temperature of the cable will drop off away from the middle as heat conducts along the cable. In fact, this is one thing where the regs don't really make too much sense - if the cable is inside good insulation, then the current carrying capacity is "somewhat unknown" since on a long run there will be negligible loss of heat along the cable once you get a short distance inside the insulation, and the actual thermal losses will be indeterminate (unless assuming some upper limit on domestic insulation).
So I was thinking of splitting the sheath and slipping a thermocouple inside, and then embedding the test cable in insulation.
I'd have done it with a step down transformer fed from a variac, and the "far end" of the cable just shorted. Easier control of larger currents, and no need to waste much power.
Insulation probably wants to be larger as well - the temperature of the cable will drop off away from the middle as heat conducts along the cable. In fact, this is one thing where the regs don't really make too much sense - if the cable is inside good insulation, then the current carrying capacity is "somewhat unknown" since on a long run there will be negligible loss of heat along the cable once you get a short distance inside the insulation, and the actual thermal losses will be indeterminate (unless assuming some upper limit on domestic insulation).
So I was thinking of splitting the sheath and slipping a thermocouple inside, and then embedding the test cable in insulation.
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