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Technical Information

71

Moulded (surface)

Metal (flush)

Drylining (flush)

Product

List no

box List no

box List no

box List no

10

A switch 1 gang

VX1010

VX9404

SB623

SB619

10

A switch 1 gang

VX1020

VX9404

SB623

SB619

10

A switch 1 gang

VX1030

VX9404

SB623

SB619

10

A switch 2 gang

VX1040

VX9404

SB623

SB619

10

A switch 3 gang

VX1050

VX9404

SB623

SB619

10

A switch 4 gang

VX1054

VX9412

SB665

SB629

13

A socket 1 gang

VX9100

VX9409

SB655

SB619

13

A socket 1 gang

VX1300

VX9409

SB655

SB619

13

A socket 1 gang

VX1400

VX9409

SB655

SB619

13

A socket 2 gang

VX9200

VX9414

SB665

SB629

13

A socket 2 gang

VX1500

VX9414

SB665

SB629

13

A socket 2 gang

VX1600

VX9414

SB665

SB629

13

A socket 2 gang

VX1700

VX9414

SB665

SB629

13

A socket 2 gang

VX1800

VX9414

SB665

SB629

13

A socket 3 gang

VX9230

VX9403

SB646

20

A switch

VX1060

VX9409

SB655

SB619

20

A switch

VX1070

VX9409

SB655

SB619

50

A ceiling switch

VX9706

VX9405

45

A switch

VX9702

VX9416

SB628

SB631

45

A switch

VX9703

VX9416

SB628

SB631

45

A switch

VX9712

VX9405

SB618

SB632

45

A switch

VX9713

VX9405

SB618

SB632

Cooker unit

VX9700

VX9416

SB628

SB631

Cooker unit

VX9701

VX9416

SB628

SB631

Fused connection unit

VX1080

VX9409

SB655

SB619

Fused connection unit

VX1081

VX9409

SB655

SB619

Fused connection unit

VX1090

VX9409

SB655

SB619

Fused connection unit

VX1091

VX9409

SB655

SB619

Telephone socket

VX9974

VX9404

SB655

SB619

Secondary socket

VX9984

VX9404

SB655

SB619

2

module mounting plate

VX9062

VX9405

SB615

SB619

4

module mounting plate

VX9064

VX9416

SB625

SB629

Shaver unit

VX9800

VX9410

SB628

SB631

TV outlet 1 gang

VX9992

VX9409

SB655

SB619

TV outlet 2 gang

VX9993

VX9409

SB655

SB619

13

A flex outlet plate

VX9990

VX9409

SB655

SB619

Cooker outlet plate

VX9704

VX9405

SB615

SB632

GUIDANCE ON THE USE OF LAMPHOLDERS MARKED T1 OR T2

The information in the table is a guide to the

user of lampholders marked T1 or T2 with

tungsten filament lamps, although it should

be appreciated that the critical factor is the

actual temperature of the cap of the lamp

when in use.Technical information on such

temperatures is contained in this specification

and in BS EN 60598-1. It is also important to

ensure that the wattage rating of the lamp is

not higher than that for which the particular

shade or luminaire is designed.This maximum

rating in watts is marked on all shades and

luminaires that comply with BS4533: Part

101.

The recommendations in the table refer to

typical conditions, in single lamp luminaires or

installations, and in multi lamp luminaires

having widely spaced lamps.Where lamps are

in close proximity to each other, or in totally

enclosed luminaires, it is recommended that

T2 lampholders are used.

SBC

Small bayonet cap (international type B15d)

BC

Standard bayonet cap (international type B22d)

T1

Lampholder suitable for conditions up to a lamp cap

temperature of 165°C

T2

Lampholder suitable for conditions up to a lamp cap

temperature of 210°C

Closed shade

Shade open at one end only and generally

mounted directly on the lampholder

Open shade

Shade open at both ends,and generally

mounted on the lampholder by a wire frame

Cap up

Position of lamp,typically when suspended from

the ceiling by a flexible cord

Cap down

Position of lamp,typically when fitted on a

standard or table lamp

Where two symbols are shown together,as in

B15d-T1/T2 or B22d-T2,there is no restriction on

the type of shade or the position of the lamp,pro-

vided the maximum working temperatures are not

exceeded

If in doubt regarding the choice of any lampholder,

always use one markedT2

RECOMMENDED MOUNTING BOXES FOR MOULDEDVOLEX ACCESSORIESWIRING ACCESSORIES

Flush box recommendations

as shown in the adjacent

table.

Industrial metalclad

accessories

(

suffix

SG

)

are supplied

complete with matching

surface mounting boxes.

Maximum permitted rating of lamp

Typical conditions of use

Maximum

Lampholder

Type of shade

Lamp position

permitted

Size

Type Temperature Closed

Open

Cap up Cap down rating of lamp

SBC B15d

T1

40

W

SBC B15d

T2

60

W

BC B22d

T1

60

W

BC B22d

T1

100

W

BC B22d

T1

150

W

BC B22d

T1

200

W

BC B22d

T2

200

W

CFL COMPACT FLUORESCENT LAMPHOLDER

The design of the Lampholder accepts an industry standard 4 pin 10/13Watt Compact Fluorescent G24 lamp.This reduces the power consumption,

when compared to an equivalent incandescent lamp, by up to 80%.

The Lampholder is designed to European standards and has a diameter of 42mm, which is larger than the typical Lampholder which is 29mm.

A Safety feature which protects the installation will disconnect the supply to the Lampholder:-

During a lamp change, when no lamp is present, or in the case of lamp failure at the end of lamp life.

This Safety feature is reset by switching the supply to the fitting off for 10 to 15 seconds.