METHOD STATEMENT WIRING DEVICES SECOND FIX INSTALLATION & WIRING TERMINATION
METHOD STATEMENT WIRING DEVICES SECOND FIX INSTALLATION & WIRING TERMINATION
I. MATERIALS TO BE USED
SWT1CHES & ACCESSARIES:
1.10A, 1 Gang, 1 Way. 250 V
2.10A, 2 Gang. 1 Way. 250 V
3.10A, 1 Gang, 1 Way, 220 V, Push button for Door Bell.
4.10A, 1 Gang. 1 Way, 220 V. Push button with label holder for Stair.
5.Model Frame for Mosaic Mechanism ( for the Time Lag Switch – 74420 )
6.Staircase Time Lag Switch 50GW. 250V adjustable from 0.5 min to 5 minutes.
7.Model Frame for Mosaic Mechanism ( for the Key Switch – 74062 }
8.6A Key operated 2 positions Switch for over ride
9.Weather Proof Switch, Plexo 66, 20A/250Vac rated IP66. grey color.
10.Gasket for 7×7 cm flush mounted box.
DOUBLE POLE SWITCH, 20A. 45A -« 250Vac with indicator in On position.
1. 20A, 2 Pin Switch 220V + Neon W/label ” Water Heater ” ( Laser Printing )
2. 20A – 250V Connection Unit for 614285, for Exhaust Fan & Water Heater.
3. 45A, 2P Switch, 250V + Neon W /label, A/C ( Laser Printing )
4. 45A, 250V Connection Unit for 614287
5. 45A, 2P Switch, 250V + Neon W/ label! A/C ( Laser Printing )
6. 45A, 250V Connection Unit for 614287
SOCKET OUTLETS & ACCESSARIES:-
1. 13A, 2Pin + E Switched Type, Shuttered to BS 1363, duplex type in common plate.
2. 15A, 1 Gang, 250V, Switched Socket W/127V label! ( Laser Printing )
3. 15A, 2 Gang, 250V, Switched Socket w/127V label ( Laser Printing )
4. 13A”, 250v, Switched type, conform to BS 546 type in common plate.
5. 13A, 1 Gang, 250V. Switched type w/220V label ( Laser Printing )
32A WEATHER PROOF POWER SOCKETS & ACCESSARIES:-
1. 45a, 2P Switch. 250\ -r Neon For Kitchen,-E for Service Area.
2. 45A, 250V Connection Unit for 61428″
3. Hypra Switched Socket IP44 plastic 32A. 2p
4. Special Box for 52702
5. Hypra Straight Plug IP44. 200 – 250V for 52702
6. Tempra 32A. 2Pole -*- E, Switched Socket IP44, 200 – 250V for Sen-ice Area.
7. Tempra 32A, 2Pole + E, Straight Plug IP44. 200 – 250V for 56609.
8. 13A. 2Pin + E. Un-switched Socket
9. Mosaic Adopter 2 Modules ( grey ) weather proof IP66 – 08 with 127 label ( Laser Printing ) for 74140.
10. Gasket for 7 x 7 cm flush mounted box.
11. 16A, 2pin + E, Switched Socket.
12. Mosaic Adopter 2 Modules ( grey ) weather proof IP66 – 08. w/220V label ( Laser Printing ) for 74130.
13. Gasket for 7 x 7 cm flush mounted box.
14. 45A, 2pin Cooker Control Unit – red switch is for Hot Plate, and 13A. BS Socket is for other Kitchen appliances.
SPECIAL DEVICES & ACCESSARIES:-
1. RJ 11 Telephone Outlets, 4 Pins
2. Single TV Socket according to BS 3041
3. Model Frame for Mosaic Mechanism ( For the TV Socket 74382 )
4. 2 – Note Electromechanical Chime 12″V – 60HZ Concerto.
STEEE BOXES:-
1. 7×7 cm, 7×14 cm Steel Boxes, compatible with A! – Fanar back boxes 1 Gang and 2 Gang ( Covered for the Model range of wiring devices ).
2 . INSTALLATION & TERMINATION:
1. On the already installed back boxes in plastered block walls switches are mounted at height of 1250 mm. power, tel. and TV outlets at 450 mm and other outlets in wet areas are mounted at height of 1250 mm or as given in respective ceramic details drawing From finished floor level.
2. Before proceeding to install the outlets devices, the back boxes cleaned, surface around the boxes will be repaired and made flush with the finished wall surfaces using extension rings as needed.
3 . terminating the phase, neutral and earth wires to the internal devices block at respective terminals it is installed and fixed in the back box.
4. Using sprit level and manufacturer provided screws, outlets front plates are fixed parallel and perpendicular to floor and wall surfaces respectively, long machine screws subject to engineers” approval will be used for plate fixing.
5.
Locations: Drawings generally show approximate locations of outlets and
equipment. Exact locations shall be determined from interior finishing
and detail drawings. Any condition that would place an outlet in an
unsuitable location shall be referred to the Engineer switches ,will be at
strike sides of doors ,In location outlets allow for overhead pipes, ducts, variations in arrangements, thickness of finishing, window trim, paneling and other engineering features.
6. Mounting heights for outlet boxes and similar equipment will be uniform within the same or similar areas. Mounting’iS3b be as shown on the drawings or as approved by the Engineer. lighting switches and socket outlets;\general]y at 1250 mm and 450 mm from finished floor level respectively. switches for long dimensions vertical and operating handle, if the toggle type, up when in the on position.
7. Additional Outlets to those shown: on the drawings will be provided as required b\ equipment manufacturers for control or other wiring. This &£ be installed by the Contractor.
8. Recessed Outlet Boxes Make neat openings, to the satisfaction of the
Engineer, allowing for thickness of finishing, and use extension rings if
required. damaged finishing to original condition before
installation of fittings or plates.
9. Appearance: install inspection boxes and plates plumb, square and parallel to finished walls surface. Exposed plates covering recessed boxes rest neatly on wall surface without gaps, and fully covering the box.
10.Grouped Outlets Arrange neatly so that use of fitting is convenient and clear.
11.Weather Proof and Explosion Proof: follow manufacturer’s instructions for installation and connection to conduit system to fully achieved required degree of protection.
1. CONNECTIONS:-
1 . Single pole switches are to switch the phase wire .'”fife not run neutral wire through switches having neutral shunt or bridge.
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2. Exposed Outlet Boxes: Securely fasten to wall with machine screws to permanent inserts or lead anchors.
2– CONNECTION OF APPL1ANCES:-
1 . Where appliance is designed to adapt directly to outlet box, electrical wiring to incoming terminals inside appliance, by suitable
2. Where anpliance is not designed to adapt to outlet box. install the
connecting wiring in flexible conduit firmly- fixed to outlet box cover
plate and to terminal box on appliance.
3.FIELD QUALITY CONTROL:
1. Visual Inspection: Fittings and equipments and workmanship.
2. megger Tests switch and outlet tests together with
insulation resistance of wiring installations.
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3. Operation: Devices will be tested for operation and intended at full load without an sins of heating.
4. Equipment will be insulation tested and observed, under full-load for not less than 3 days operation, with respect to undue heating and performance in general.
4.INSPECTION & TESTING: work will be inspected for correct fixing and workman shop , outlet device are tested for voltages and polarity
5. CLEANING:
Internally clean devices, device outlet boxes, and enclosures.4 Replace stained or improperly painted wall plates or devices.