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emmiedyke
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Join Date: Nov 2010
Posts: 1

DB's

11/03/2010 10:14 AM

how do i know the db to use, whether tpn or spn.. how does the rating of the stablock look like in a schematic diagram.
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lyn
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Join Date: Oct 2008
Posts: 42355
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#1

Re: db's

11/03/2010 10:25 AM

Rule # 75 applies here. Also, acronyms are useless until defined.

So,

db=

tpn=

spn=
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TonyS
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Location: Resting under the Major Oak
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#3
In reply to #1

Re: db's

11/03/2010 3:31 PM

db = distribution board
spn = single pole & neutral
tpn = triple pole & neutral

The rest of it is pure gobbledegook!

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

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#2

Re: db's

11/03/2010 11:22 AM

The answer is British Standard 7671.

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