answersLogoWhite

0

The only time that fuse holders gets hot is when there is a loose connection between the fuse holder and the wire connected to the holder. If this is happening remove the supply voltage from the circuit that the fuse holder is in. Remove the wire from the holder. Cut the burned end of if there is enough wire and re install. If not enough wire, use a wire brush to get the oxidation off of the wire. Apply a coating of anti oxidation compound on the wire end and then re install into the holder. Tighten the wire into the holder very tightly. Check the spring clamping pressure of the fuse end of where the heating occurred. This spring clamping pressure is important for low resistance conductivity. If the fuse feels loose when installed change the fuse holder for a new one.

User Avatar

Wiki User

12y ago

What else can I help you with?

Continue Learning about Electrical Engineering

Why cut out fuse become too hot?

There are only two times a fuse becomes hot. One is just after it has interrupted a high current fault. The other time when a fuse becomes hot is when the fuse holder screw has slackened from the switch's main frame. The looseness of the holder begins to create a high resistance. Sequential heating and cooling of this bad connection continues to drive the resistance higher and higher. If not found and attended to, the heat can become so intense as to burn the end of the fuse off that is situated in the faulty fuse holder.


How is a hot water heater wired from the power source to the heater?

10/3 wire with 30 amp double pole breaker from panel box to water heater.


What is the typical rating of a hot wire relay contacts?

The typical rating of a hot wire relay contacts is 35 amp


How do you remove a 100 amp fuse?

Assuming the fuse is the type that is pressed into it's contacts, and assuming the fuse is de-energized when the disconnect is open (off), I usually place a screw driver behind the fuse on one end or the other, pull it out until I can get hold of it, and pull it out completely. As a matter of standard practice you want to wear leather gloves and treat it like it is hot (energized) until it is removed. If it is big enough you can simplify this procedure by just grabbing the fuse with one hand and pull. It should be extremely tight so be careful not to throw the fuse or your hand into something else that is energized.


If you have a 125 amp breaker box on the pole with a 125 amp breaker going to your house and you get a hot tub that needs a 60 amp GFI breaker would that overload the box?

It depends on what else you are running in the house. Add up your amperage to see if it is more than the 125amp rating. Which should be below 105 amps constant to keep from overheating the main breaker. If you are not running a big central ac system or a electric oven and water heater you should have no problem running the hot tub.

Related Questions

You have one hot fuse on a three phase oven?

I would say that probably the fuse holder is loose, this would cause a voltage drop and result in heating of the fuse. Replace the fuse holder.


Why does a 30 amp mini fuse get hot?

I would suspect this is the wrong fuse for this circuit. If it is getting hot it is carrying too much of a load.


Why cut out fuse become too hot?

There are only two times a fuse becomes hot. One is just after it has interrupted a high current fault. The other time when a fuse becomes hot is when the fuse holder screw has slackened from the switch's main frame. The looseness of the holder begins to create a high resistance. Sequential heating and cooling of this bad connection continues to drive the resistance higher and higher. If not found and attended to, the heat can become so intense as to burn the end of the fuse off that is situated in the faulty fuse holder.


1994 Chrysler LHS sometimes the heater blower works and sometimes it doesnt?

I had the same problem on my 95 LHS. Turned out to be the fuse connector had gotten so hot it melted the plastic of the fuse box surrounding it! I bent the fuse blades a bit and reinserted it. It worked for a while. I had a shop cut the wires to the fuse box and install an in-line fuse holder for the 25-amp fuse. No problems at all with it now. Hope this helps!


What does the LCD fuse control on a 1984 Chevy Corvette?

== == The 5 Amp L.C.D. fuse protects the memory power input of the LCD Instrument Cluster and is known as circuit #941. The fuse is hot at all times. The 5 Amp CLSTR fuseprotects the electronics and lamp power input of the LCD Instrument Cluster and is known as circuit #139. The fuse is hot in start or run.


Can blown fuses cause the motor to run hot?

simply having a blown fuse would not cause the engine to run hot. But, it depends on what fuse is blown. a fuse blown for the cooling fans would make it run hot.


What is the label for the auxillary power fuse on an 2007 Pontiac G6 Is it EPS?

EPS is the 80 amp fuse for the Electric power assist steering. It is connected directly to the Hot or Red side of the battery.


Why would a 1998 Olds Regency Elite blower on the air conditioner blow Just part of the time?

Loose connection? Blower motor going bad-windings opening when they get hot loose fuse holder


What causes the ac in a Lincoln LS to blow hot air instead of cold air?

Checck fuse # 1 its a 15 amp fuse and its probably blown, change it and hope it fixes it if it does only for a while it means you have a short.


What is wrong the off button on ac heater will not work it just keeps blowing but it does not switch to hot or cold this is a 1993 Chevy lumina?

it was the fuse. it is in the glove box it is maked (cluster) 10 amp fuse fixed it all.


What is the recommended amperage for a breaker to be used with a hot tub, specifically a 50 amp breaker?

The recommended amperage for a hot tub is typically 50 amps, so a 50 amp breaker would be appropriate for this purpose.


What size breaker is required for a 50 amp hot tub installation?

For a 50 amp hot tub installation, a double-pole 50 amp breaker is required.