Dangerous imported smoke machine. (with 240V XLR socket)
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4 سال پیش
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I recently looked at a
I recently looked at a similar budget smoke machine being sold in the UK by a prominent supplier. (There's a link to that video below.) It was made to comply with UK electrical and safety standards.
It seemed a good idea to look on eBay for a similar unit that was from one of the many import distribution warehouses in the UK that completely bypass safety tests and compliance.
This unit met my low expectations. It has a feature that makes it very capable of causing a fatal electrocution. The use of a standard signal connector which is commonly used for low level signals with microphones, disco lights and various other equipment in the same environment, but in this case at 240V is an accident waiting to happen.
Here's a link to a video of Frankie Palmeri of Emmure getting a significant shock on stage:-
Emmure Frankie Palmeri gets electrocu...
To put things into perspective - his head kicking back, arm going up to the chest and body going rigid suggests a potentially fatal amount of current flowed. If you watch the stagehand who goes to help him he gets a shock from touching Frankies body too.
Either the microphone chassis went live or the stage was wet and had faulty electrical equipment on it. Either way, there was current flow with Frankie in the path.
A severe guitar to microphone shock.:-
Bass Player Electrocuted On Stage.
Just searching for "singer electrocuted on stage" on YouTube finds many videos of what are mainly guitar metalwork versus microphone metalwork shocks. Made much worse by sweaty hands.
Here's a link to my video showing the same style of smoke machine, but made almost compliant with UK standards. (But with one slight niggle regarding a green wire.)
Inside a Marq LED smoke machine from ...
If you already have one of the non compliant machines with mains XLR or in some cases an IEC socket with misused earth pin then it's important to be very aware of the shock hazards associated with it. Better still. Retire it and get a new one from a high profile supplier in your country so it complies with local regulations and you have comeback if an incident does occur.
It's also notable that if you use a specific type of XLR lead intended for unbalanced audio with pins 3 and 1 bridged, it will bypass the thermal switches and bring the heater on continuously until catastrophic failure occurs.
If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm
This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.
It seemed a good idea to look on eBay for a similar unit that was from one of the many import distribution warehouses in the UK that completely bypass safety tests and compliance.
This unit met my low expectations. It has a feature that makes it very capable of causing a fatal electrocution. The use of a standard signal connector which is commonly used for low level signals with microphones, disco lights and various other equipment in the same environment, but in this case at 240V is an accident waiting to happen.
Here's a link to a video of Frankie Palmeri of Emmure getting a significant shock on stage:-
Emmure Frankie Palmeri gets electrocu...
To put things into perspective - his head kicking back, arm going up to the chest and body going rigid suggests a potentially fatal amount of current flowed. If you watch the stagehand who goes to help him he gets a shock from touching Frankies body too.
Either the microphone chassis went live or the stage was wet and had faulty electrical equipment on it. Either way, there was current flow with Frankie in the path.
A severe guitar to microphone shock.:-
Bass Player Electrocuted On Stage.
Just searching for "singer electrocuted on stage" on YouTube finds many videos of what are mainly guitar metalwork versus microphone metalwork shocks. Made much worse by sweaty hands.
Here's a link to my video showing the same style of smoke machine, but made almost compliant with UK standards. (But with one slight niggle regarding a green wire.)
Inside a Marq LED smoke machine from ...
If you already have one of the non compliant machines with mains XLR or in some cases an IEC socket with misused earth pin then it's important to be very aware of the shock hazards associated with it. Better still. Retire it and get a new one from a high profile supplier in your country so it complies with local regulations and you have comeback if an incident does occur.
It's also notable that if you use a specific type of XLR lead intended for unbalanced audio with pins 3 and 1 bridged, it will bypass the thermal switches and bring the heater on continuously until catastrophic failure occurs.
If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm
This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty.
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