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Home Fuse Box Questions

 
 
Gregan
 
Reply Thu 31 Dec, 2015 07:26 pm
ELECTRICIAN SKILLS? Some outlets died in the bedrooms upstairs, the wires going to the outlets are indeed dead (and based on the wiring it looks like they are all connected to the same circuit). My fuse box was terribly marked, so I've spent the last hour remarking everything and narrowed it down to potentially being a dead fuse in the unmarked switch (flicking that switch turns. I thing on or off in the house). Questions:
- Can I just switch out the unmarked one for any one of the confirmed working ones to test if it's broken? (I.e. With a swap my outlets start working again)
- Does the gauge of wore going into each of the fuses mean anything? (I find it odd that kitchen outlet fuse on the lower right has a far larger gauge of wire than the two kitchen outlet fuses above)
- What do the numbers on the fuse switches mean? (Most of them have 15, joined ones have 30, some have 40)
http://i34.photobucket.com/albums/d137/GreganDunn/10534490_10153775531780729_6501084091993051677_n_zpspjj4ktan.jpg
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Gregan
 
  1  
Reply Thu 31 Dec, 2015 08:26 pm
@Gregan,
I figured out the mystery switch, it's for the washing machine, and it's working fine.... it must be something to do with the wiring upstairs between the outlets along those walls.
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engineer
 
  1  
Reply Thu 31 Dec, 2015 08:37 pm
@Gregan,
Quote:
- Can I just switch out the unmarked one for any one of the confirmed working ones to test if it's broken? (I.e. With a swap my outlets start working again)

You could if you used one of similar rating, but you need to be very safe (turn off all the house power ahead if time) and I don't recommend it.
Quote:
- Does the gauge of wore going into each of the fuses mean anything? (I find it odd that kitchen outlet fuse on the lower right has a far larger gauge of wire than the two kitchen outlet fuses above)

The gauge of wire matches the rating on the breaker. The lower kitchen fuse might have some heavy appliances on it like the garbage disposal.
Quote:
- What do the numbers on the fuse switches mean? (Most of them have 15, joined ones have 30, some have 40)

The numbers 15,30,40 are the current ratings of the breakers.

Since you have identified the breaker in question, open it (move it to the right), then close it again. If the circuit is still off, the most likely explanation is that the breaker is bad. You can find a procedure to replace a breaker on Youtube. It is not hard, but you NEED TO MAKE ABSOLUTELY SURE THE HOUSE POWER IS OFF. This means throwing the house breaker and using a volt meter to check that the power is off.
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