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Can I change normal plug to a 15amp round pin plug?

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2

I've got some festoons for a theatre show but the theatre is quite old and I was told they need to have 15amp round pin plugs. Can I just get some ordinary festoons and swap the plug into a 15amp round pin plug? And is changing them a very tricky undertaking?
Or are there any adapters for that for those sort of plugs?
Any answers would help
thank you very much
Lia

electrical lighting cord-and-plug

share|improve this question

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

2

I've got some festoons for a theatre show but the theatre is quite old and I was told they need to have 15amp round pin plugs. Can I just get some ordinary festoons and swap the plug into a 15amp round pin plug? And is changing them a very tricky undertaking?
Or are there any adapters for that for those sort of plugs?
Any answers would help
thank you very much
Lia

electrical lighting cord-and-plug

share|improve this question

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I've got some festoons for a theatre show but the theatre is quite old and I was told they need to have 15amp round pin plugs. Can I just get some ordinary festoons and swap the plug into a 15amp round pin plug? And is changing them a very tricky undertaking?
Or are there any adapters for that for those sort of plugs?
Any answers would help
thank you very much
Lia

electrical lighting cord-and-plug

share|improve this question

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 hours ago

Lia C WaberLia C Waber

111

New contributor

Lia C Waber is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 hours ago

Lia C WaberLia C Waber

111

2 Answers
2

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3

Yes, you either change out the plug or get an adapter. Adapters from round pin (more commonly known as stage pin) to whatever the common mains socket where you live will be easily available at any theatrical supply store near you, or online. If you'd like to make it permanent, instead just buy a stage pin plug and change out your current cord end -- if you've ever changed a plug before, it'll be the same straightforward process.

Here's a link to an adapter that will work with standard North American plugs: https://www.lighttheatrics.com/lex-edison-female-to-stage-pin-male/

Also note that use of these plugs is not because the theatre is 'quite old' -- this style is still used in new theatres today. The reason they use a different plug style and make you use an adapter is because all of these circuits are on dimmers, which are really only meant for incandescent lamps, and don't play nicely with other types of electronics, so the incompatible plugs serves as a reminder that it isn't a general purpose circuit that you can plug just anything into.

share|improve this answer

edited 9 hours ago

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sounds like this falls under the "you can't dim a (standard NEMA 5) receptacle" rule. In which case, yeah, that cheater should not exist, because it would let you plug in (and then accidentally dim) an air conditioner. You should put the standard theatrical plug on your festoons. The cheater going the other way 'round would be safe.
  
  – Harper
  9 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Harper, there's a bit more to it than that -- theatres have their own whole section in NEC, section 520, because they do all sorts of wacky electrical stuff.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  In particular, those plugs aren't always on a dimmer -- usually there's either a panel where different circuits can be either patched into a dimmer or a regular circuit, or there's interchangeable dimmer/relay modules which can be switched out as appropriate for the load.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  

add a comment | 

3

Nate Strickland's answer is correct for the USA.

If you are in the UK, you'd need a similar adapter

Stage Electrics

15 amp round pin plugs are used for stage work in the UK for the additional reason that our 13 amp standard power plugs have fuses in them. A blown fuse on a lighting grid is difficult to change quickly, so unfused plugs are preferred. In schools the smaller 5 amp round pin plugs were often used.

share|improve this answer

answered 8 hours ago

OwainOwain

48117

add a comment | 

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3

Yes, you either change out the plug or get an adapter. Adapters from round pin (more commonly known as stage pin) to whatever the common mains socket where you live will be easily available at any theatrical supply store near you, or online. If you'd like to make it permanent, instead just buy a stage pin plug and change out your current cord end -- if you've ever changed a plug before, it'll be the same straightforward process.

Here's a link to an adapter that will work with standard North American plugs: https://www.lighttheatrics.com/lex-edison-female-to-stage-pin-male/

Also note that use of these plugs is not because the theatre is 'quite old' -- this style is still used in new theatres today. The reason they use a different plug style and make you use an adapter is because all of these circuits are on dimmers, which are really only meant for incandescent lamps, and don't play nicely with other types of electronics, so the incompatible plugs serves as a reminder that it isn't a general purpose circuit that you can plug just anything into.

share|improve this answer

edited 9 hours ago

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sounds like this falls under the "you can't dim a (standard NEMA 5) receptacle" rule. In which case, yeah, that cheater should not exist, because it would let you plug in (and then accidentally dim) an air conditioner. You should put the standard theatrical plug on your festoons. The cheater going the other way 'round would be safe.
  
  – Harper
  9 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Harper, there's a bit more to it than that -- theatres have their own whole section in NEC, section 520, because they do all sorts of wacky electrical stuff.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  In particular, those plugs aren't always on a dimmer -- usually there's either a panel where different circuits can be either patched into a dimmer or a regular circuit, or there's interchangeable dimmer/relay modules which can be switched out as appropriate for the load.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  

add a comment | 

3

Yes, you either change out the plug or get an adapter. Adapters from round pin (more commonly known as stage pin) to whatever the common mains socket where you live will be easily available at any theatrical supply store near you, or online. If you'd like to make it permanent, instead just buy a stage pin plug and change out your current cord end -- if you've ever changed a plug before, it'll be the same straightforward process.

Here's a link to an adapter that will work with standard North American plugs: https://www.lighttheatrics.com/lex-edison-female-to-stage-pin-male/

Also note that use of these plugs is not because the theatre is 'quite old' -- this style is still used in new theatres today. The reason they use a different plug style and make you use an adapter is because all of these circuits are on dimmers, which are really only meant for incandescent lamps, and don't play nicely with other types of electronics, so the incompatible plugs serves as a reminder that it isn't a general purpose circuit that you can plug just anything into.

share|improve this answer

edited 9 hours ago

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Sounds like this falls under the "you can't dim a (standard NEMA 5) receptacle" rule. In which case, yeah, that cheater should not exist, because it would let you plug in (and then accidentally dim) an air conditioner. You should put the standard theatrical plug on your festoons. The cheater going the other way 'round would be safe.
  
  – Harper
  9 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Harper, there's a bit more to it than that -- theatres have their own whole section in NEC, section 520, because they do all sorts of wacky electrical stuff.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  In particular, those plugs aren't always on a dimmer -- usually there's either a panel where different circuits can be either patched into a dimmer or a regular circuit, or there's interchangeable dimmer/relay modules which can be switched out as appropriate for the load.
  
  – Nate Strickland
  8 hours ago
  

  
  
  
  

add a comment | 

Yes, you either change out the plug or get an adapter. Adapters from round pin (more commonly known as stage pin) to whatever the common mains socket where you live will be easily available at any theatrical supply store near you, or online. If you'd like to make it permanent, instead just buy a stage pin plug and change out your current cord end -- if you've ever changed a plug before, it'll be the same straightforward process.

Here's a link to an adapter that will work with standard North American plugs: https://www.lighttheatrics.com/lex-edison-female-to-stage-pin-male/

Also note that use of these plugs is not because the theatre is 'quite old' -- this style is still used in new theatres today. The reason they use a different plug style and make you use an adapter is because all of these circuits are on dimmers, which are really only meant for incandescent lamps, and don't play nicely with other types of electronics, so the incompatible plugs serves as a reminder that it isn't a general purpose circuit that you can plug just anything into.

share|improve this answer

edited 9 hours ago

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

share|improve this answer

edited 9 hours ago

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

answered 9 hours ago

Nate StricklandNate Strickland

1,22911

3

Nate Strickland's answer is correct for the USA.

If you are in the UK, you'd need a similar adapter

Stage Electrics

15 amp round pin plugs are used for stage work in the UK for the additional reason that our 13 amp standard power plugs have fuses in them. A blown fuse on a lighting grid is difficult to change quickly, so unfused plugs are preferred. In schools the smaller 5 amp round pin plugs were often used.

share|improve this answer

answered 8 hours ago

OwainOwain

48117

add a comment | 

3

Nate Strickland's answer is correct for the USA.

If you are in the UK, you'd need a similar adapter

Stage Electrics

15 amp round pin plugs are used for stage work in the UK for the additional reason that our 13 amp standard power plugs have fuses in them. A blown fuse on a lighting grid is difficult to change quickly, so unfused plugs are preferred. In schools the smaller 5 amp round pin plugs were often used.

share|improve this answer

answered 8 hours ago

OwainOwain

48117

add a comment | 

Nate Strickland's answer is correct for the USA.

If you are in the UK, you'd need a similar adapter

Stage Electrics

15 amp round pin plugs are used for stage work in the UK for the additional reason that our 13 amp standard power plugs have fuses in them. A blown fuse on a lighting grid is difficult to change quickly, so unfused plugs are preferred. In schools the smaller 5 amp round pin plugs were often used.

share|improve this answer

answered 8 hours ago

OwainOwain

48117

share|improve this answer

answered 8 hours ago

OwainOwain

48117

answered 8 hours ago

OwainOwain

48117

answered 8 hours ago

OwainOwain

48117