could be old WALSALL sockets ,used some on a bank once they were specified by bank finished all first fix when sockets came we had to chop all boxes out and replace with boxes with 4 fixings ,also on 2 gang sockets you had to put wire links between sockets
bit more info , if your using the basket as part of the earthing system it should be bonded at each end and every 15 mtr of the run
CABLOFIL Couplers
The standard IEC 61537 states that coupler resistance must not exceed 50mΩ. The test involves running an electric current trough the system...
generally use wire basket for data lot easier to install, bond at one end if correct joints are used
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generally use wire basket for data lot easier to install, bond at one end if correct joints are used
had one split/crack open about 15yr ago 240mm 4c lenght 280mtr long got it half in had to pull a loop off from drum, next day noticed cracked outer sheath got AEI out to repair sheath ( they used gas torch old copper soldering iron and pvc granules melted/fused into crack ) had to wait till temp...
might be difficult to measure amps as the rings (or elements) seem to pulse when on so getting a true reading when all 4 are on would be a bit hit or miss
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just fitted a fagor ind. hob about 8kw when talking to fagor about load was told it has 2 zones lh & rh each zone has a back ring and front ring , the temp adjustment is 0-9 however if if you set the back ring to 9 then turn the front to 9 the back ring will ramp down to 6 and visa versa so you...
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