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447 Power: Difference between revisions

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404 bytes removed ,  4 April 2013
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Existing lighting remains in situ, along with some wall sockets (mostly at main stairs end).  New circuits will be provisioned via new distribution boxes as follows:
Existing lighting remains in situ, along with some wall sockets (mostly at main stairs end).  New circuits will be provisioned via new distribution boxes as follows:


'''Box A''': All power, except overhead lighting circuits, which is used in the wood workshop. Individual circuits for major equipment plus one 'general sockets'. As appropriate, mushroom STOP buttons to be installed for dangerous equipment ([[User:Solexious]] is co-ordinating)
'''Box A''': All power, except overhead lighting circuits, which is used in the wood workshop. ([[User:Solexious]] is co-ordinating)


'''Box B''': All power, except overhead lighting circuits, which is used in the metal workshop. Individual circuits for major equipment plus one 'general sockets'. As appropriate, mushroom STOP buttons to be installed on dangerous equipment. ([[User:Solexious]] is co-ordinating)
'''Box B''': All power, except overhead lighting circuits, which is used in the metal workshop. ([[User:Solexious]] is co-ordinating)


'''Box C''': All power, except overhead lighting circuits, which is used in the biolab and wet room (darkroom). Biolab circuits per their request.
'''Box C''': All power, except overhead lighting circuits, which is used in the biolab and wet room (darkroom). Biolab circuits per their request.


'''Box D''': Power circuits, except overhead lighting, for equipment in general workshop area. Major equipment (eg. lathes) on individual circuits, with mushroom STOP buttons at point nearest central gangway ''or'' on wall (tbc). ([[User:Solexious]] co-ordinating)
'''Box D''': Power circuits, except overhead lighting, for equipment in general workshop area. ([[User:Solexious]] co-ordinating)


'''Box E''': 3-phase 16A power circuit. Not in current use,
'''Box E''': 3-phase 16A power circuit. Not in current use,
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===Distribution details===
===Distribution details===
All sub-distribution boxes are supplied via 12mm^2 csa per core armoured cable, unless stated.
All sub-distribution boxes are supplied via 12mm^2 csa per core armoured or non-armoured cable, unless stated.


;Box A:
;Box A:
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;Box C:
;Box C:
:Biolab circuits: 12 double sockets on two circuits,  RCD-protected, 4 double sockets on single circuit, no RCD.
:Biolab circuits: 16 double sockets on three circuits,  RCD-protected,  
:Wet room: presently undefined: two MCB spaces reserved, all RCD-protected. One 6A lighting circuit.
:Wet room: presently undefined: two MCB spaces reserved, all RCD-protected. One 6A lighting circuit.
::Total requirement: incomer, 2RCDs, 8 MCBs (6,10,32x2), 2blank - 14 ways total - standard CU products can be used
::Total requirement: incomer, 2RCDs, 6 MCBs (6,32x3, 2blank) - 12 ways total - standard CU products can be used
   
   
;Box D:
;Box D:
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;Box F:
;Box F:
:Server: 16A outlet, 1x double socket, no RCD. sep circuits.
:Server: 2x 16A outlet, 1x double socket, RCD. sep circuits.
:CNC: presently undefined: 4 MCB spaces plus 2 for RCD reserved.
:CNC: presently undefined: 4 MCB spaces plus 2 for RCD reserved.
:two circuits for expansion (''room opp boiler entrance?'')
:two circuits for expansion (''room opp boiler entrance?'')
::Total requirement: incomer:2 MCBs (16x2), 8blank - 10 ways total - standard CU products can be used
::Total requirement: incomer:2 MCBs (10,16x2, 8blank) - 15 ways total - standard CU products can be used


;Box J:
;Box J:
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;Box K: '''This circuit and box will not be installed until a decision is final on whether a second room is being built here.'''
;Box K: '''This circuit and box will not be installed until a decision is final on whether a second room is being built here.'''
:'''on hold''' pending better definition of area requirements. Will require one RCD for inside and one for outside.
:'''on hold''' pending better definition of area requirements. Will require one RCD for inside and one for outside, though latter may be local to exit with switch.
::Install 10-way CU as default; MCB choices can be revised subsequently.
::Install 10-way CU as default; MCB choices can be revised subsequently.