What is a jumper? [closed]
Clash Royale CLAN TAG#URR8PPP
up vote
0
down vote
favorite
Some documentation I read refers to the pin cover as a “jumper.†Other documentation I read refers to the pins themselves a a “jumper.â€Â
For example, in the A+ Guide to Hardware by Jean Andrews it says:
A jumper is two small posts or metal pins that stick up on the motherboard, used to hold configuration information. An open jumper has no cover, and a closed jumper has a cover on the two pins.
However, on Wikipedia it says:
Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points. An appropriately sized conductive sleeve called a jumper, or more technically, a shunt jumper, is slipped over the pins to complete the circuit...When a jumper is placed over two or more jumper pins, an electrical connection is made between them.
So, in the first case it is the pins that are the jumper, but in the second case it is the cover that is the jumper. There seem to be many more cases which refer to the cover as the jumper, but there are a handful (such as the textbook above) which refer to the pins themselves as jumpers.
Which one of these is correct or are they both correct?
jumper
asked Oct 1 at 4:34
kojow7
111112
closed as too broad by grawity, Dmitry Grigoryev, Journeyman Geek♦ Oct 1 at 14:22
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
 |Â
show 2 more comments
up vote
0
down vote
favorite
Some documentation I read refers to the pin cover as a “jumper.†Other documentation I read refers to the pins themselves a a “jumper.â€Â
For example, in the A+ Guide to Hardware by Jean Andrews it says:
A jumper is two small posts or metal pins that stick up on the motherboard, used to hold configuration information. An open jumper has no cover, and a closed jumper has a cover on the two pins.
However, on Wikipedia it says:
Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points. An appropriately sized conductive sleeve called a jumper, or more technically, a shunt jumper, is slipped over the pins to complete the circuit...When a jumper is placed over two or more jumper pins, an electrical connection is made between them.
So, in the first case it is the pins that are the jumper, but in the second case it is the cover that is the jumper. There seem to be many more cases which refer to the cover as the jumper, but there are a handful (such as the textbook above) which refer to the pins themselves as jumpers.
Which one of these is correct or are they both correct?
jumper
asked Oct 1 at 4:34
kojow7
111112
closed as too broad by grawity, Dmitry Grigoryev, Journeyman Geek♦ Oct 1 at 14:22
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
2
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
6
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
5
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
5
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14
 |Â
show 2 more comments
up vote
0
down vote
favorite
up vote
0
down vote
favorite
Some documentation I read refers to the pin cover as a “jumper.†Other documentation I read refers to the pins themselves a a “jumper.â€Â
For example, in the A+ Guide to Hardware by Jean Andrews it says:
A jumper is two small posts or metal pins that stick up on the motherboard, used to hold configuration information. An open jumper has no cover, and a closed jumper has a cover on the two pins.
However, on Wikipedia it says:
Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points. An appropriately sized conductive sleeve called a jumper, or more technically, a shunt jumper, is slipped over the pins to complete the circuit...When a jumper is placed over two or more jumper pins, an electrical connection is made between them.
So, in the first case it is the pins that are the jumper, but in the second case it is the cover that is the jumper. There seem to be many more cases which refer to the cover as the jumper, but there are a handful (such as the textbook above) which refer to the pins themselves as jumpers.
Which one of these is correct or are they both correct?
jumper
asked Oct 1 at 4:34
kojow7
111112
Some documentation I read refers to the pin cover as a “jumper.†Other documentation I read refers to the pins themselves a a “jumper.â€Â
For example, in the A+ Guide to Hardware by Jean Andrews it says:
A jumper is two small posts or metal pins that stick up on the motherboard, used to hold configuration information. An open jumper has no cover, and a closed jumper has a cover on the two pins.
However, on Wikipedia it says:
Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points. An appropriately sized conductive sleeve called a jumper, or more technically, a shunt jumper, is slipped over the pins to complete the circuit...When a jumper is placed over two or more jumper pins, an electrical connection is made between them.
So, in the first case it is the pins that are the jumper, but in the second case it is the cover that is the jumper. There seem to be many more cases which refer to the cover as the jumper, but there are a handful (such as the textbook above) which refer to the pins themselves as jumpers.
Which one of these is correct or are they both correct?
jumper
jumper
asked Oct 1 at 4:34
kojow7
111112
asked Oct 1 at 4:34
kojow7
111112
edited Oct 1 at 16:23
asked Oct 1 at 4:34
kojow7
111112
asked Oct 1 at 4:34
kojow7
111112
asked Oct 1 at 4:34
kojow7
111112
111112
closed as too broad by grawity, Dmitry Grigoryev, Journeyman Geek♦ Oct 1 at 14:22
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
closed as too broad by grawity, Dmitry Grigoryev, Journeyman Geek♦ Oct 1 at 14:22
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
2
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
6
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
5
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
5
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14
 |Â
show 2 more comments
2
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
6
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
5
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
5
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14
2
2
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
6
6
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
5
5
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
5
5
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14
 |Â
show 2 more comments
2 Answers
2
active
oldest
votes
up vote
24
down vote
I'd say this is practically an 'opinion' thread, but...
The term "jumper wire" or "jumper cable" has long existed in other contexts such as vehicle jumper cables. The purpose of a jumper device is to connect two electrical contacts (jump the gap between them) – sometimes even if those contacts themselves have a different primary purpose.
Because the pins are fixed-position, they may be called "jumper pins" (if they're dedicated to this task), but they are not "jumpers" themselves – the cable/cover/sleeve/shunt is the one that jumps over the gap (and gets the name 'jumper' from that).
(As far as my English goes, it seems to be valid to interpret 'jumper pin' as "pin for use by jumper devices", but 'jumper wire/cable' as "wire/cable that is a jumper device")
Then again, terminology is made by people who use it, even if it doesn't end up being logical.
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
add a comment |Â
up vote
6
down vote
I think of jumpers as connectors to select characteristics on a PCB. Pic attached. Sometimes called shunt jumpers. The plastic covered jumper electrically joins the pins it is pushed onto (i.e. it has electrical contacts and a connection across it). In this picture there are two 'jumpers' and they set the `IN' option on RS485 biasing resistors.
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
24
down vote
I'd say this is practically an 'opinion' thread, but...
The term "jumper wire" or "jumper cable" has long existed in other contexts such as vehicle jumper cables. The purpose of a jumper device is to connect two electrical contacts (jump the gap between them) – sometimes even if those contacts themselves have a different primary purpose.
Because the pins are fixed-position, they may be called "jumper pins" (if they're dedicated to this task), but they are not "jumpers" themselves – the cable/cover/sleeve/shunt is the one that jumps over the gap (and gets the name 'jumper' from that).
(As far as my English goes, it seems to be valid to interpret 'jumper pin' as "pin for use by jumper devices", but 'jumper wire/cable' as "wire/cable that is a jumper device")
Then again, terminology is made by people who use it, even if it doesn't end up being logical.
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
add a comment |Â
up vote
24
down vote
I'd say this is practically an 'opinion' thread, but...
The term "jumper wire" or "jumper cable" has long existed in other contexts such as vehicle jumper cables. The purpose of a jumper device is to connect two electrical contacts (jump the gap between them) – sometimes even if those contacts themselves have a different primary purpose.
Because the pins are fixed-position, they may be called "jumper pins" (if they're dedicated to this task), but they are not "jumpers" themselves – the cable/cover/sleeve/shunt is the one that jumps over the gap (and gets the name 'jumper' from that).
(As far as my English goes, it seems to be valid to interpret 'jumper pin' as "pin for use by jumper devices", but 'jumper wire/cable' as "wire/cable that is a jumper device")
Then again, terminology is made by people who use it, even if it doesn't end up being logical.
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
add a comment |Â
up vote
24
down vote
up vote
24
down vote
I'd say this is practically an 'opinion' thread, but...
The term "jumper wire" or "jumper cable" has long existed in other contexts such as vehicle jumper cables. The purpose of a jumper device is to connect two electrical contacts (jump the gap between them) – sometimes even if those contacts themselves have a different primary purpose.
Because the pins are fixed-position, they may be called "jumper pins" (if they're dedicated to this task), but they are not "jumpers" themselves – the cable/cover/sleeve/shunt is the one that jumps over the gap (and gets the name 'jumper' from that).
(As far as my English goes, it seems to be valid to interpret 'jumper pin' as "pin for use by jumper devices", but 'jumper wire/cable' as "wire/cable that is a jumper device")
Then again, terminology is made by people who use it, even if it doesn't end up being logical.
I'd say this is practically an 'opinion' thread, but...
The term "jumper wire" or "jumper cable" has long existed in other contexts such as vehicle jumper cables. The purpose of a jumper device is to connect two electrical contacts (jump the gap between them) – sometimes even if those contacts themselves have a different primary purpose.
Because the pins are fixed-position, they may be called "jumper pins" (if they're dedicated to this task), but they are not "jumpers" themselves – the cable/cover/sleeve/shunt is the one that jumps over the gap (and gets the name 'jumper' from that).
(As far as my English goes, it seems to be valid to interpret 'jumper pin' as "pin for use by jumper devices", but 'jumper wire/cable' as "wire/cable that is a jumper device")
Then again, terminology is made by people who use it, even if it doesn't end up being logical.
edited Oct 1 at 6:10
community wiki
3 revs
grawity
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
add a comment |Â
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
2
2
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
Dictionary definitions also support the idea that it is the device that is creating the connection that is the jumper. Merriam-Webster (a connection used to close a break or cut out part of a circuit) and Collins (a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component) and Oxford (A short wire used to shorten an electric circuit or close it temporarily)
– Adam Limbert
Oct 1 at 6:48
1
1
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
Good answer. Since it is a heavy-on-opinions-question I'll hazard one as well: In all applications besides pcb's I have seen the name jumper - it is usually used to bypass something ("jump"). At work we often "jump" to seek for faults in a logic circuit. Typical case some pump should recieve an "OK" signal in the form of a standing 1 - and won't start until it gets one. So we provide it by "jumping" the signal. And some times we even use jumpers to correct faults, but that practice gets problematic if prolific.
– Stian Yttervik
Oct 1 at 10:30
add a comment |Â
up vote
6
down vote
I think of jumpers as connectors to select characteristics on a PCB. Pic attached. Sometimes called shunt jumpers. The plastic covered jumper electrically joins the pins it is pushed onto (i.e. it has electrical contacts and a connection across it). In this picture there are two 'jumpers' and they set the `IN' option on RS485 biasing resistors.
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
add a comment |Â
up vote
6
down vote
I think of jumpers as connectors to select characteristics on a PCB. Pic attached. Sometimes called shunt jumpers. The plastic covered jumper electrically joins the pins it is pushed onto (i.e. it has electrical contacts and a connection across it). In this picture there are two 'jumpers' and they set the `IN' option on RS485 biasing resistors.
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
add a comment |Â
up vote
6
down vote
up vote
6
down vote
I think of jumpers as connectors to select characteristics on a PCB. Pic attached. Sometimes called shunt jumpers. The plastic covered jumper electrically joins the pins it is pushed onto (i.e. it has electrical contacts and a connection across it). In this picture there are two 'jumpers' and they set the `IN' option on RS485 biasing resistors.
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I think of jumpers as connectors to select characteristics on a PCB. Pic attached. Sometimes called shunt jumpers. The plastic covered jumper electrically joins the pins it is pushed onto (i.e. it has electrical contacts and a connection across it). In this picture there are two 'jumpers' and they set the `IN' option on RS485 biasing resistors.
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Oct 1 at 15:14
answered Oct 1 at 10:10
Robin
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered Oct 1 at 10:10
Robin
1613
answered Oct 1 at 10:10
Robin
1613
1613
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Robin is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
add a comment |Â
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
1
1
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
"The plastic jumper electrically joins the pins" Might be a good idea to note the jumper isn't entirely made out of plastic. After all, it wouldn't connect the pins electrically if they were. The inside is usually a piece of copper, gilded copper or another metal. Looks like this.
– Mast
Oct 1 at 14:17
add a comment |Â
2
read it again. they both say the same thing.
– Keltari
Oct 1 at 4:56
6
@Keltari: I've read it several times and no they don't?
– grawity
Oct 1 at 4:56
@grawity actually they do. Both call the pins jumpers. the second calls the sleeve a shunt jumper.
– Keltari
Oct 1 at 4:57
5
@Keltari: The latter calls the pins "jumper pins", not "jumpers", which is quite different already.
– grawity
Oct 1 at 5:04
5
Your assumption that a "cover" is a "plastic cover" is incorrect. A shunt jumper (aka shorting block or header shunt) has metal inside it to short the two pins together. IMO the first quote is a dumbed-down explanation that is PC-centric and is otherwise vague. The pins are more often called header pins, at least that's the name I'd use to look them up in a parts catalog.
– sawdust
Oct 1 at 5:14