Fuse - Revision history

Jmdonev: 1 revision imported

2020-04-28T15:32:24Z

1 revision imported

← Older revision	Revision as of 15:32, 28 April 2020
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energy>Jmdonev at 17:58, 18 February 2020

2020-02-18T17:58:24Z

← Older revision		Revision as of 17:58, 18 February 2020
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	[[Category:Done ~~2018~~-05-18]]		[[Category:Done 2020-02-29]]
	[[File:Fuse_box.jpg\|thumb\|right\|Figure 1: A fuse box in a basement<ref>This picture contributed by someone on the team.</ref>]]		[[File:Fuse_box.jpg\|thumb\|right\|Figure 1: A fuse box in a basement<ref>This picture contributed by someone on the team.</ref>]]
	<onlyinclude>A '''fuse''' is an [[electrical safety devices\|electrical safety device]] that ~~has the capability to protect~~ an [[electric circuit]] from excessive [[electric current]].</onlyinclude> Fuses are destroyed during overload conditions, ~~whereas~~ [[circuit breaker]]s are ~~often~~ used instead because they are not destroyed during overload conditions. It's cheaper to install fuses than circuit breakers, but since fuses need to be replaced and circuit breakers don't, fuses have a higher operational cost.		<onlyinclude>A '''fuse''' is an [[electrical safety devices\|electrical safety device]] that protects an [[electric circuit]] from excessive [[electric current]].</onlyinclude> Fuses are destroyed during overload conditions. When reasonable to do so (and economically sensible), [[circuit breaker]]s are used instead because they are not destroyed during overload conditions. It's cheaper to install fuses than circuit breakers, but since fuses need to be replaced and circuit breakers don't, fuses have a higher [[operational cost]].

	==Practical tips==		==Practical tips==

Jmdonev: 1 revision imported

2018-05-18T22:53:10Z

1 revision imported

← Older revision	Revision as of 22:53, 18 May 2018
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Jmdonev at 21:53, 11 May 2018

2018-05-11T21:53:36Z

← Older revision		Revision as of 21:53, 11 May 2018
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	[[Category:Done ~~2015~~-02-15]]		[[Category:Done 2018-05-18]]
	[[File:Fuse_box.jpg\|thumb\|right\|Figure 1: A fuse box in a basement<ref>This picture contributed by someone on the team.</ref>]]		[[File:Fuse_box.jpg\|thumb\|right\|Figure 1: A fuse box in a basement<ref>This picture contributed by someone on the team.</ref>]]
	<onlyinclude>A '''fuse''' is an [[electrical safety devices\|electrical safety device]] that has the capability to protect a [[circuit]] from excessive [[~~electricity\|~~electric~~]] [[~~current]].</onlyinclude> Fuses are destroyed during overload conditions, whereas [[circuit breaker]]s are often used instead because they are not destroyed during overload conditions. It's cheaper to install fuses than circuit breakers, but since fuses need to be replaced and circuit breakers don't, fuses have a higher operational cost.		<onlyinclude>A '''fuse''' is an [[electrical safety devices\|electrical safety device]] that has the capability to protect an [[electric circuit]] from excessive [[electric current]].</onlyinclude> Fuses are destroyed during overload conditions, whereas [[circuit breaker]]s are often used instead because they are not destroyed during overload conditions. It's cheaper to install fuses than circuit breakers, but since fuses need to be replaced and circuit breakers don't, fuses have a higher operational cost.

	==Practical tips==		==Practical tips==
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	==How fuses work==		==How fuses work==
	Fuses are designed to allow current through the circuit, but in the event that the current exceeds some maximum value it will burn out the [[wire]], so that there is no longer a [[circuit]]. The current that will cause a fuse to blow is called the current rating. Fuses also have a [[voltage]] rating; this is the maximum voltage difference that the fuse can block. Once a circuit is open (broken), an applied voltage exists at the ends of the fuse, and if this voltage exceeds the voltage rating of the fuse, the air in the fuse may [[ionization\|ionize]] and start conducting again, therefore leaving the circuit without a safety system.		Fuses are designed to allow current through the circuit, but in the event that the current exceeds some maximum value it will burn out the [[wire]], so that there is no longer a [[circuit]]. The current that will cause a fuse to blow is called the ''current rating''. Fuses also have a [[voltage]] rating; this is the maximum voltage difference that the fuse can block. Once a circuit is open (broken), an applied voltage exists at the ends of the fuse, and if this voltage exceeds the voltage rating of the fuse, the air in the fuse may [[ionization\|ionize]] and start conducting again, therefore leaving the circuit without a safety system.

	==Types of fuses==		==Types of fuses==
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	\|}		\|}

	There are special fuses, which deliberately ~~react~~ slowly, called time delay fuses. ~~These fuses can handle short periods of overloads; they~~ can normally be found in a household microwave, which produces a current surge when it is turned on. See [http://epb.apogee.net/foe/fsgotdf.asp here] to learn more about time delay fuses.		There are special fuses which handle short periods of overloads by deliberately reacting slowly, called ''time delay fuses.'' They can normally be found in a household microwave, which produces a current surge when it is turned on. See [http://epb.apogee.net/foe/fsgotdf.asp here] to learn more about time delay fuses.

			== For Further Reading ==
			For further information please see the related pages below:
			*[[Electric circuit]]
			*[[Circuit breaker]]
			*[[Ground fault circuit interrupter]]
			*[[Electrical outlet]]
			* Or explore a [[Special:Random\| random page!]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:07Z

1 revision imported

← Older revision	Revision as of 21:31, 26 August 2015
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J.williams at 16:54, 12 August 2015

2015-08-12T16:54:30Z

New page

[[Category:Done 2015-02-15]]
[[File:Fuse_box.jpg|thumb|right|Figure 1: A fuse box in a basement<ref>This picture contributed by someone on the team.</ref>]]
<onlyinclude>A '''fuse''' is an [[electrical safety devices|electrical safety device]] that has the capability to protect a [[circuit]] from excessive [[electricity|electric]] [[current]].</onlyinclude> Fuses are destroyed during overload conditions, whereas [[circuit breaker]]s are often used instead because they are not destroyed during overload conditions. It's cheaper to install fuses than circuit breakers, but since fuses need to be replaced and circuit breakers don't, fuses have a higher operational cost.

==Practical tips==
Houses have fuses in fuseboxes (see figure 1). Here are some helpful household tips for homes with a fuse box.
*Never replace a fuse with a larger fuse, as this will let too much current through and be a fire hazard.
*Replacing a fuse with a smaller-sized fuse is also a problem because this will prevent normal operation.
*Never use something other than a fuse to replace a fuse; this will quite likely cause a fire.
*Keep extra fuses around the house to quickly replace blown fuses.
*Know where your fuse box (see figure 1) is.
*[[switch|Turn off]] or [[wall plug|unplug]] items in use before replacing a blown fuse; otherwise, the replacement fuse will be immediately destroyed as well.

==How fuses work==
Fuses are designed to allow current through the circuit, but in the event that the current exceeds some maximum value it will burn out the [[wire]], so that there is no longer a [[circuit]]. The current that will cause a fuse to blow is called the current rating. Fuses also have a [[voltage]] rating; this is the maximum voltage difference that the fuse can block. Once a circuit is open (broken), an applied voltage exists at the ends of the fuse, and if this voltage exceeds the voltage rating of the fuse, the air in the fuse may [[ionization|ionize]] and start conducting again, therefore leaving the circuit without a safety system.

==Types of fuses==
Fuses are housed in fuse boxes (see figure 1) and listed in the table below.<ref name=A>R.T. Paynter, “Basic Electric Components and Meters,” in ''Introduction to Electricity'', 1st ed. NJ: Prentice-Hall, 2011, ch. 3, sec. 3.6, pp. 98-107.</ref>
{| class="wikitable"
|-
! Fuse type !! Description !! Picture
|-
| Cartridge|| Contains a thin conductor designed to melt at a low temperature. Once the current reaches a level that can generate enough heat to match or surpass the designed melting point, the connection will break.||[[File:Fuse_cartridge.png|thumb|A normal cartridge fuse and a slo-blo fuse<ref>(2014, Nov. 24). ''Fuses and Breakers'' [Online]. Available: http://hyperphysics.phy-astr.gsu.edu/hbase/electric/bregnd.html</ref>]]
|-
| Blade || Contains two electrical connectors that plug into a circuit and a wire inside that will melt at a certain current.|| [[File:BladeFuses.jpg|thumb|Blade fuses<ref>(2014, Nov. 24). ''Blade Type Fuses'' [Online]. Available: http://www.thefusecompany.net/BladeType.htm</ref>]].
|-
| Plug || Screwed directly into a standard fuse socket. To learn more about this type of fuse please see [http://epb.apogee.net/foe/fsgofpf.asp EPB]. || [[File:Fuse-plug.jpg|thumb|A plug fuse and its base<ref>(2014, Nov. 24). ''Plug Fuses'' [Online]. Available: http://epb.apogee.net/foe/fsgofpf.asp</ref>]]

|-
| Adapter|| Referred to as a rejection base (also called type-S), it requires an adapter to fit into a standard fuse socket. Once it is installed it cannot be removed. Fuses with different current ratings will have different threads; therefore, they cannot be replaced with a fuse of a different current rating. To learn more about this type of fuse please see [http://epb.apogee.net/foe/fsgofpf.asp EPB].|| [[File:Fuse s-type.jpg|thumb|An adapter fuse and its base<ref>(2014, Nov. 24). ''Type S/Adapter Fuses'' [Online]. Available: http://epb.apogee.net/foe/fsgotsf.asp</ref>]]
|}

There are special fuses, which deliberately react slowly, called time delay fuses. These fuses can handle short periods of overloads; they can normally be found in a household microwave, which produces a current surge when it is turned on. See [http://epb.apogee.net/foe/fsgotdf.asp here] to learn more about time delay fuses.

==References==
{{reflist}}
[[Category:Uploaded]]