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the pict

the pict

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Arms
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Can anyone give me examples of
"Use of electrical seperation to supply an individuall item of equipment",
and as above for more than one, I have read through 418.3 etc but I cannot find an example, I know that it is outside the remit of BS7671 to provide examples for everything, the book would run to several volumes, however a few examples would help
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the pict

the pict

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Arms
  • Thread Starter Thread Starter
  • #3
Yes in a domestic situation the shaver point is selv but it is the "provision of a SELV circuit" I should have asked what in your experience in a commercial environment are examples you have come across equipment wise and why was it seperated and how,
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Richard Burns

Richard Burns

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Arms
A shaver point is not SELV it is separated but it is not ELV.
 
the pict

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Arms
  • Thread Starter Thread Starter
  • #5
Absoulutly correct Richard, I stand corrected, I was thinking of the seperated aspect, but I really must pay more attention, more caffiene required
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the pict

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  • Thread Starter Thread Starter
  • #7
Good one Davey, to be honest I am struggling to find any other than similar to your suggestion probably schools colleges etc, elv lighting apart
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stef

stef

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Hi pict, try 110 V tranny for electrical hand tools, low voltage transformer for 12v downlighters, high/ low voltage transformers in substations, transformers for door bells, mobile phone chargers from the 90s ( not the modern ones you get today cos they aren't sepparating, really), ...
 
S

StuSpiers

Blackely units in schools.

Although they don't supply one item they are for bench sockets usually.
 
stef

stef

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Learned something new, had to google this Blakely unit to see what it was.
 
ackbarthestar

ackbarthestar

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Separated circuits, as suggested by others, don't have to be SELV.

Any circuit that employs the use of a isolating transformer where there is no earth return path on the secondary side. Hand tools, pumps compressors, used in cable tunnels where there is restricted access/movement see section 706
 
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