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Author Topic: household fuses  (Read 11942 times)

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Offline MrsSmith

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Re: household fuses
« Reply #25 on: February 19, 2009, 08:07:16 PM »
Quote from: franksolich on February 19, 2009, 07:56:49 PM
He also suggested I quit buying electrical appliances at antique stores.

 :rotf: :rotf: :rotf:  You should take that advice, frank!!!   :lmao:
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Offline franksolich

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Re: household fuses
« Reply #26 on: February 19, 2009, 08:20:35 PM »
Quote from: MrsSmith on February 19, 2009, 08:07:16 PM
:rotf: :rotf: :rotf:  You should take that advice, frank!!!   :lmao:

I had taken apart, but not yet thrown away, the hot-water vaporizer.

When I showed it to him, he swore it's older than either of us.

He pointed out the two metal pieces that were never supposed to touch each other, but did, causing the fuse to blow.
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Offline MrsSmith

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Re: household fuses
« Reply #27 on: February 19, 2009, 08:30:56 PM »
Quote from: franksolich on February 19, 2009, 08:20:35 PM
I had taken apart, but not yet thrown away, the hot-water vaporizer.

When I showed it to him, he swore it's older than either of us.

He pointed out the two metal pieces that were never supposed to touch each other, but did, causing the fuse to blow.
Yeah, that'll do it, alright.   :-)
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Offline debk

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Re: household fuses
« Reply #28 on: February 19, 2009, 10:25:39 PM »
Glad you got it professionally checked out.

Electricity is one of those things that I want someone that knows what they are doing looking at it....electricity is not for amateurs.
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Offline Thor

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Re: household fuses
« Reply #29 on: February 20, 2009, 07:47:19 AM »
It's quite common for folks to buy fuses a little larger than what they are supposed to be. The main reason why is that they have some sort or electrical motor on a particular circuit and the current draw runs as high as 1.414 times the amount it normally does just to start the motor. (I THINK that's the correct number, but I could be wrong). Instead of buying a time delay or slow blow fuse, they just buy a larger capacity to compensate. It's not the RIGHT thing to do, but it gets the circuits working again. What I would recommend is to evaluate your circuits, see which ones have motors on a given circuit, then, use the slow blow fuse in that/those particular circuit(s). The rest of them, I would recommend just using a 20 amp "minibreaker" type fuse. Bear in mind, many circuits have both the lights and the outlets on the same circuit. You'll find that the minibreaker fuses work just like circuit breakers and can be easily reset once the excessive current draw is eliminated.
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Offline Wineslob

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Re: household fuses
« Reply #30 on: February 20, 2009, 02:37:47 PM »
Quote
The main reason why is that they have some sort or electrical motor on a particular circuit and the current draw runs as high as 1.414 times the amount it normally does just to start the motor. (I THINK that's the correct number, but I could be wrong).

Usually the inrush current is on the order of 2-5X ,or more, of the stated faceplate full load current of a motor (it depends on the load on the motor at startup). Sometimes refered to as locked rotor current. Most fuses/wiring systems are designed for this.
Here at work we use 2X faceplate, and it works fine where we need to make calcs.
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Offline shadow.0000

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Re: household fuses
« Reply #31 on: February 24, 2009, 09:58:00 AM »
Well that is an incredible topic you have posted here... Well thank you so much...




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