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I'm trying to turn off the power for my dining room light and as I live in an old apartment, my fuse box only has plug fuses (and a main fuse you pull out). My plan is to cap the AC wires in the ceiling as I am going to use a 5v 2A adapter for an LED pendant I designed. So my question is, is it safe for me to simply remove the plug fuse that powers the dining room and leave it out, with the socket exposed?

I have experience with wiring and working with micro controllers and LED strips, but not AC and fuse boxes. In terms of safety equipment, I have rubber gloves (not thick though) and leather gloves, safety glasses and a voltage tester. Please let me know if there is anything else I should know regarding proper equipment.

Thanks and I appreciate your help

panel

fuses

enter image description here

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  • \$\begingroup\$ Removing a fuse is like opening a breaker, which is what I would do. I don't know about leaving the fuse socket exposed indefinitely though. Is there some lockout you can put in its place? \$\endgroup\$ – DKNguyen Aug 6 at 5:42
  • \$\begingroup\$ I'll ask for this question to be transferred to SE DIY. | However, leaving an open fuse socket is a safety hazard. You could remove the fuse wire and reinsert the holder. Labelling the fuse as "do not use" would also add to 'safety' but may not meet code. I assume that operating the LED pendant supply from the existing wiring is not an option. \$\endgroup\$ – Russell McMahon Aug 6 at 10:12
  • \$\begingroup\$ The fuse that powers that light fixture probably powers other lights or outlets, so you may not want to leave the fuse out. \$\endgroup\$ – Peter Bennett Aug 6 at 16:22
  • \$\begingroup\$ @DKNguyen I was thinking of a placeholder...didn't know the correct term for it though; lockout. Thanks! \$\endgroup\$ – lakerice Aug 6 at 17:11
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    \$\begingroup\$ @lakerice That works too. Just screw on some wire nuts to cap off the wires. \$\endgroup\$ – DKNguyen Aug 6 at 17:46
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In the case of a wire fuse, the fuse wire may be removed before replacing the fuse carrier.

Likewise with a cartridge fuse.

Otherwise the outgoing wire from the fuse holder would be required to be disconnected.

The work would require the mains isolator to be switched off, the main fuses to be removed to ensure that the circuit being handled is not live and the off status confirmed using a tester.

Since you do not have prior experience working on mains wiring, it would be advisable to have a certified electrician to carry out the work.

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  • \$\begingroup\$ So if I understand correctly, it is not advisable to remove the fuse plug before removing the main fuses? I should mention it's a very old style box. I'm willing to get an electrician if I have to though...I've attached images of the box \$\endgroup\$ – lakerice Aug 6 at 17:27
  • \$\begingroup\$ Please describe what's in the photograph. \$\endgroup\$ – vu2nan Aug 6 at 17:48
  • \$\begingroup\$ Sorry I just uploaded the second pic describing which plug fuses power which areas. It's a very old building so I imagine this was 1960s style fuses (based on my research). \$\endgroup\$ – lakerice Aug 6 at 18:06
  • \$\begingroup\$ What's above the 4 fuses? \$\endgroup\$ – vu2nan Aug 6 at 18:09
  • \$\begingroup\$ I believe that's the main power. I haven't pulled it out but from what I have seen in similar old style panels it's 2 cartridge fuses. \$\endgroup\$ – lakerice Aug 6 at 18:55

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