Search results for query: the fuse is to protect the cable

As I said, a fuse does not know what it is protecting. Yes, the primary requirement is that is should protect the cable, but that does not, and cannot, prevent it also providing some degree of protection to 'the device on the end of it'.

Just installing a 9kw Mira electric shower. Would appreciate it if someone could give me some idea of cable to use. Run direct from fuse board (protected on an RCD) will be circa 12 metres. I hope 6mm is enough but need to be sure.

I recently installed non-corrosion fluorescent fittings in my garage to replace the mess left to me by the house's previous owner. What size fuse must be used to protect a fluorescent fitting? The instructions didn't say, but the fitting's internal wiring looks like it could only take 5A or...

That FCU governs the max current that the outgoing cables can deliver, so you can add another socket. I presume the fuse rating in the FCU is 13amp so the outgoing cable(s) are protected. Just out of curiosity, what fuse/MCB rating is protecting that SWA black cable? It should be marked back in...

It is (I think) a bit complicated to explain, but if someone has the time and the patience, it would be much appreciated, in the books I have I can see partial answers and how to calculate things but it is not always clear and makes sense: 1)Fuse breaking time 0.4 sec and 5 sec, when would you...

The FUSE is there to protect the CABLE . So if you have a cable that is capable of taking (say) 10amps, and you have a 13amp fuse protecting it, then - under fault conditions - the fuse will not blow, the cable will heat up, catch fire and you can kiss goodbye to your 22" TV (and a lot else...

The 63A fuse is to protect the cable between the mains incommer and your flat. It could be a 16mm cable.

The 100A fuse in the service head (or whatever size it is) does not protect the DNO cable entering your property, this is protected by the next DNO fuse upstream wether it be a 315A fuse I don't know. Only they can answer that.

Hi All Can anyone advise me if I am alowed to put electric cable in place from fuse box to isolator switch and then from switch to where the shower will be sitting on the wall. Am quite good at DIY and wondered if I could do this as it will cut down on cost of the work needing done, also...

If the cables will fit into the terminals of the socket there is no need to change the fuse because the fuse is there to protect the cable and only the cable. (Based on the assumption that the cable was correctly fused to begin with). Is the cooker circuit RCD protected? If not then you...

What size fuse in the first fuse box protects the wiring to the second fuse box? (Or is the cable just tapped into the main incoming terminals?)

My mother currently has power supply to garage (light and 1 socket) cabled directly from the main fuse box. The current socket is an RCD protected socket but it is a really awkward place for access in a corner (my mum is disabled) and I would like to move it. The actually moving of the socket...

No, because the DNO fuse does not protect the equipment and cables in the house, it protects the DNO cable.

Yeah, sorry we are talking short circuit here (note to myself -must read posts properly) :oops:

hi have a question regarding a friend who has a scantronic 9600, He has an internal speaker right next to the back door which gives you a right earful but it is very vulnerable, so if a bad guy wasn't bothered and smashed the speaker or cut the cable would this blow a fuse in the panel? Reason I...

The fuse is there to protect the cable, the RCD is there to protect you. If you want a device to do both, then you need an RCBO

Fuses in plugs can sometimes protect the appliance, but your right they are primarily designed to protect the cable feeding the appliance.

So you would not be concerned about the Bosch specs explicitly stating "13A fuse protection"? (Could they not get out of any problem by saying 'you did not have 13A fuse protection'?) (I have noticed the cable supplied with the oven is rated 16A, so what is the "13A fuse protection"...

Are those big fuses the ones that protect your service feed cable upstream of the main cut-out fuse???

If there is only one (double) socket then the cable is protected by the plug fuses.