Circuit Breakers vs Glass Fuses - Electrical Panel Preferences
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- เผยแพร่เมื่อ 24 ก.ย. 2024
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That was all correct information Steve and I could not have done better myself. Glass fuses deteriorate with time and you can find that a fuse will blow and the load has not changed. In my past experience I have seen a 15 amp breaker blow a 100 amp fuse and it was a name brand but I think that they, the breakers even if name brand are not all created equal without naming brand in here for fear of getting in trouble. Well done my friend…..CHEERS
Thanks Gator , it's hard not to say something wrong :)
I have never been told about the screw in fuses like what you told us here. Didn’t take note of any different ends on them glass fuses that makes it not fit in. Like them tabs. This was cool. Enjoyed it. 👏🏻👏🏻👏🏻
Thanks bud , yes so many were using the wrong amperage so they changed the base on 20-30 amps.
I like using the breaker for most applications. But a times I use slow blow fuses. I saw that you can get screw in circuit breakers for the old style fuses. Thanks for sharing and Cheers Steve
Hi Lloyd
It's nice we can still get the low cost option of fuses but I'm thinking not for much longer.
Some interesting information steve, i remember changing the glass fuses better then sticking a penny in it lol thanks steve
HAHAHA a penny was so common eh . Thanks Jason 👍
Another safety advantage of breakers over fuses, in addition to GFCI and AFCI technologies which I'm am all for depending on the specific application of course, is that they are of a trip-free design, at least with the name brand good quality breakers, meaning that a breaker will still trip internally if the handle is restrained in the ON position with tape, etc in an attempt to prevent it from tripping.
Fuses on the other hand, can be bypassed in several ways. Placing a penny in the socket, wrapping it with aluminum foil, cutting part of the treaded base and bending it to the center contact, or inserting a screw base receptacle and inserting a staple or piece of wire. Cartridge fuses can be bypassed by wrapping it with aluminum foil, driving a nail through the fuses lengthwise, inserting copper tubing or metal conduit, or removing the end caps and replacing the fusible element with wire or other metal objects, in fact many years ago there was a Cartridge fuse called a renewable fuse, designed with removable caps so the fusible link can be replaced.
Good observation bud , yes I'm sure you will not be able to buy a glass fuse panel soon . Cheers 👍
Hi Steve. Where do you dump your garbage because I want to go through it and take out those file handles. Fuses are very important and it's a good topic. The little screw-in breakers that fit in a glass-fuse socket are good and I've used them.
Nothing like modern breakers though, especially now with ground fault and arc fault breakers for more safety. Breakers (and fuses) are rated to protect a certain wire size. For example, a 15 amp breaker is used to protect a #14 AWG (American Wire Guage) wire size, a 20 amp breaker (or fuse) is used to protect #12 AWG wire size, and so on.
It is critical that a larger breaker (or fuse ) is not used to protect the wrong size wire. This was one the main problems with glass, screw-in fuse panels. When a glass fuse blew, it was too easy to put ANY amperage fuse in to replace it and that caused many fires! Many times you can discover glass fuses that have been placed in the wrong circuit because that circuit was overloaded and kept blowing fuses. That is a very dangerous situation!!!
With breakers, they are sized to fit a certain size wire guage (15 amp for #14, 20 amp for #12, etc.) upon their installation and the protection could not be altered by a careless homeowner without them digging deep into the internals of the panel. Breakers were meant to "idiot-proof" wires from overload, a problem that was so easy to do with screw-in fuses.
One small correction: Amperage IS the reason fuses blow or breakers trip. As amperage through a circuit increases, heat is generated and it is that heat that melts the strip in a fuse or reacts with the two dissimilar metals in a breaker to distort the metal and trip the breaker, opening the circuit in both cases. An additional benefit of breakers is that once that bi-metal strip cools, the breaker can be reset, closing the circuit and placing it back into service. They do wear out (or come defective from the factory) so a tripping breaker may not always indicate an overload condition (but it does in about 99% of cases). They can be worn out or defective so it's good to swap them with a known good one if they continue to trip, but mostly, that tripping breaker indicates a circuit that is overloaded somehow.
Great show, as always Steve. Now where do you dump your can again?
Hi Craig
The last couple of years I've been slowly chucking out stuff I've held on for years and never used . Luckily our garbage bins are dumped by automated garbage truck lift arms and not humans as my weekly bin is about 200 pounds of crap I've saved and 10 pounds of household garbage 😅
I recently saw a whole bunch of fuses and breakers on clearance in the back aisle at Lowe's.
There seems to be a change in electrical code compliance on so many products in the near future as so many retailers are moving stock now while they can.
Looks interesting Steve, I'm ready for a camp video. Cheers.
Hi Ron
Thanks , camp vids on the way .
Very interesting topic Steve and learned a lot from it. Thanks for sharing this one Buddy! 🍻
Hi Doug
Thanks 👍
Wow. That was some great information. We are going to have to learn bunch of stuff like this in the future. 👍👍
Hi Paivi
Something different just for you .
Interesting to see there are still some who like the old fuse type of breakers but it just goes to show there is a proper use for everything!
See ya next time ✌
Cheers Marc.
My first place I bought, a small condo near West Edmonton Mall had all glass fuses. I remember changing them in stoves too. I once lived in a house with knob and tube wiring still in it. I've never felt comfortable working with electricity and generally call an electrician if it's something I don't feel good about doing. I can swap a plug in or switch and build an extension cord but that's about my limits. Definitely not hooking up and panels.
Hi Bruce
It's best to leave many electrical jobs for the electricians , I do the same as you for the most part . Cheers 👍
I still have on of those glass ones feeding 240V 30 amp into my garage.
Hi Tom
I bet there's millions still in operation.
Hi Steve - interesting video as usual. I didn’t know the glass fuse type were/are temperature rated - much safer to have flip style breakers. In the contracting world those little two and four breaker panels are sometimes called pony-panels, used when your house panel is full.
Thanks eh, appreciate the info and chat. Cheers
Hi Ed
Thanks 👍
Steve we have both fuse box and breaker box around our house.
Hi Danny
Very common up here too but anything built in the past 30 years is not so common at all.
How's she goin'? An interesting discussion here Steve. Well done and well explained. Breakers are more expensive for sure but they are resettable and in the long run the cost will equal out I'm sure. Take care!!
Hi Mike
The glass fuse boxes are going away forsure as high tech breakers come into service. Cheers 👍
Steve. I have plenty of them screw in glass fuses. Want to know how? When I bought the property I got it has an old store that actually has them fuses in the original box on the wall. Also the shelves in the old store had boxes of multiple sizes in them new & never used.
Hi Calvin
The glass fuses are definitely going out of style for breakers so the price of them and boxes can present some smokin deals . No such thing as a $2 breaker so if the glass fuses fit your needs it's a great low cost solution.
Oh this is gonna be a good one! Let me get my popcorn LOL.
Hi Billy , popcorn time :)
In an aside comment, you talked about a 110 volt welder in the past tense. I assume the welder you used that melted the snow is your Lincoln. I just picked up an AC/DC Century welder from 1995. I wanted an old tank for some heavy stick welding l had to do. 100% duty cycle compared to 30% for my inverters. It's just fun running an old machine like that. Anyway, cheers.
👍
110 volt welder probably surges up to about 27 amps when you strike the arc. Once it's running you're pulling 20, probably. I pulled a dedicated 30 amp circuit for my welders. No issues. I suppose those "P" type fuses would work with a welder. They would handle the surge.
I'd say your correct 👍
"As long as you know what you're doing", Ill stick to breakers😅
Yes , good advice. For my off grid stuff the glass fuses are a great low cost alternative .
I have a learning disability when it comes to electrical stuff, I am very limited, so your advice is important to me.
Ommmmgg u say. This
lol
My land lord garage I’m in
Has 4 of those glass fuse in the garage then ran to 20 amp breaker to house
When gets to garage it’s split 10 and 10
But of course has 15 amp glass fuses in it
So I’m always poping fuses
And I’m 26 was 20 when I moved in here I’m pulling hair out figuring out wat fuse popped
I went to Lowe’s they sell a resetsble glass breaker yes $25 lol
But well worth it lol 😂
I ran a extension cord from house on a separate breakers so I can use my heavy appliances off it
And also my welder has a 120 out let on it that I run my ac unit off of because second that ac kicked on
Poped fuse every time and then after 2 time il pop house fuse of 20 amps was pain
I’m glade I figured out the Manuel door open lol 😂
In the dark lol
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