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4.2.5 Small Power                                            •	 Install electrical supplies to ceiling mounted
                                                                 cassette air conditioning system, signs,
13 amp switched socket outlets, connection                       local extract fans (with/without overrun
units and isolators shall be supplied and installed              timers), dedicated outlets for systems etc. as
in accordance with the requirements of the                       necessary.
project.
                                                             •	 Make final connection to all items of
•	 All general use 13A sockets shall be white                    equipment unless specified otherwise.
    moulded plastic outlets to BS 1363.
                                                             •	 Supplies to fascia signs shall be terminated
•	 All sockets serving computer and telephone                    with 1.5m length of flexible sheathed cable
    equipment shall be wired on dedicated                        at the centre of each sign location, and
    circuits with a separate clean earth                         fed via a time clock. The time clock shall be
    connected to the clean earth bar.                            located in the electrical cupboard in such
                                                                 a position that it can be easily seen and
•	 ‘Clean’ socket outlets shall normally have                    adjusted and instructions must be left with it.
    completely red coloured faceplates, as
    MEM 3190 and 3195 or similar. EXCEPT, that               •	 The fascia sign supply MUST be clearly
    those inside the monitor shrouds on the                      identified, and if necessary a draw wire
    makeline wall ( only) must be BLACK.                         should left through the fascia for the sign
                                                                 contractors to pull their cable through later.
•	 The 2no. 13A S/S/O for the Cooktek units                      It is NOT acceptable to simply provide a
    MUST be wired on their own ring, back to                     fused spur internally and leave it to the sign
    the MCB. Under no circumstances may they                     contractors to find a route to it from outside.
    share another ring of any kind.
                                                             •	 A 20A switched fused spur, backed up by a
•	 Supply and install suitably sized single phase                Type C MCB (Motor Rated), shall be installed
    supplies, complete with separate individual                  to serve the cold room.
    control switches located in a convenient
    position near the oven, to serve extract and             4.2.6 Induction Loop
    fresh air supply fans. Wire from the switches
    to a local isolator adjacent to each fan and             Induction Loops to assist the hard of hearing
    the final connection to the fan itself.                  must be installed in all new stores and all re-fits
                                                             from the beginning of 2012. This will normally be
(NOTE: Power supplies to PS 200/PS540/PS640WOW ovens         fitted to the Disabled section of the counter and
                                                             may be fitted by the site electrician as part of
will be standard 13A S/S/O. However, supplies to both PS     his installation. The unit fitted should comply with
                                                             EN60118-4 (formerly BS6083) and BS7594:1993. A
555 series and PS 360 series ovens will require a 20A rated  suitable unit is SigNET ML1/K ( Details in approved
                                                             suppliers section).
socket for each oven (Reyrolle type) and in this case,

both socket and plug should be supplied by the electrical

contractor. Plugs to be wired to ovens, by others.)

•	 The supply to each oven socket shall be
    independent so that in the event that one
    circuit breaker trips, power is not lost to both
    ovens at the same time.

4.2.5 - 4.2.6  Small Power and Induction Loop                3 February 2016
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