Page 68 - B8773-AEW-XX-XX-PP-A-0001_[P4]_Contractors Manual

D R A F T

4.2.5 Small Power
13 amp switched socket outlets, connection • Install electrical supplies to ceiling mounted
units and isolators shall be supplied and installed cassette air conditioning system, signs,
in accordance with the requirements of the local extract fans (with/without overrun
project. timers), dedicated outlets for systems etc. as
necessary.
• All general use 13A sockets shall be white • Make final connection to all items of
moulded plastic outlets to BS 1363. equipment unless specified otherwise.
• All sockets serving computer and telephone • Supplies to fascia signs shall be terminated
equipment shall be wired on dedicated with 1.5m length of flexible sheathed cable
circuits with a separate clean earth at the centre of each sign location, and
connected to the clean earth bar. fed via a time clock. The time clock shall be
• ‘Clean’ socket outlets shall normally have located in the electrical cupboard in such
completely red coloured faceplates, as a position that it can be easily seen and
MEM 3190 and 3195 or similar. EXCEPT, that adjusted and instructions must be left with it.
those inside the monitor shrouds on the • The fascia sign supply MUST be clearly
makeline wall ( only) must be BLACK. identified, and if necessary a draw wire
• The 2no. 13A S/S/O for the Cooktek units should left through the fascia for the sign
MUST be wired on their own ring, back to contractors to pull their cable through later.
the MCB. Under no circumstances may they It is NOT acceptable to simply provide a
share another ring of any kind. fused spur internally and leave it to the sign
• Supply and install suitably sized single phase contractors to find a route to it from outside.
supplies, complete with separate individual • A 20A switched fused spur, backed up by a
control switches located in a convenient Type C MCB (Motor Rated), shall be installed
position near the oven, to serve extract and to serve the cold room.
fresh air supply fans. Wire from the switches
to a local isolator adjacent to each fan and
the final connection to the fan itself.
(NOTE: Power supplies to PS 200/PS540/PS640WOW ovens 4.2.6 Induction Loop
will be standard 13A S/S/O. However, supplies to both PS
555 series and PS 360 series ovens will require a 20A rated Induction Loops to assist the hard of hearing
socket for each oven (Reyrolle type) and in this case, must be installed in all new stores and all re-fits
both socket and plug should be supplied by the electrical from the beginning of 2012. This will normally be
contractor. Plugs to be wired to ovens, by others.) fitted to the Disabled section of the counter and
may be fitted by the site electrician as part of
• The supply to each oven socket shall be his installation. The unit fitted should comply with
independent so that in the event that one EN60118-4 (formerly BS6083) and BS7594:2011. A
circuit breaker trips, power is not lost to both suitable unit is SigNET ML1/K ( Details in approved
ovens at the same time. suppliers section).

4.2.5 - 4.2.6 Small Power and Induction Loop 3 February 2016