Strand Junior Slider Switchboard / Junior H A Slider Dimmerboard (1950) Junior Slider Switchboard Instructions

J

UNIOR

IN

SLIDER S\\

STR

UCTION BOO

ITCHBOAR

D

K

T

he

cost

of a stage

number

S

wit~hboard

wi

tho

(purchased

circuits

r epeat ed on the
upro
f

am

of dimme

ut dimme

These

ar and e

iliar.

The boa

r s and the meth

ha

s

"been devis

r s , and so t':ia

or

hir

ed) t

to

the best adv

instructions

board.

xcit

eme

rd

shou

nt

ld
no more dangerous tha.
requiree; the same co

ora~y

flexi

bl e w

iring an

NTRODUC

I

swi

tchboard

0d

of contr

• •

11

mmon sense

ed

ii

O th

t wh

hey can

antag

sh

So

of r

be ina

be shared

e.

oul

d be read car e

me

quiet

ehearsa

ccessible

t he 'J.sua l r

d kn owl ed

at

en

a f

l s a t l

ange

to use

geab

TIO

N

is considerab

olling them.
simpl e lig
e""'.

si m

ple slidBr

out

amon

fully

pr a

Gtice is advis

east

to

youn g

of do:::ies

. A stage ,

l e

electrical supe

hting ch

g t

and. t

t he b

childr

.t i c el e

how

l y

affect

ed by t
The JunicrSlid
ange

s c

an

Qimme

rs

ar e

he

many stage lightin

he various

ed s o t hat i n

oard

and its l a

en , b

ch·ic

eve

r,

ut

is potentially

al equi

employs m

rvision

he type and

er Sta

t a

ke place

obtain

operation~

the

yout are

pme

nt, and

uch tem

i s esse

ge

ed

g

usual

p-

ntial.

This
lighting ch
for each
coll
am

ong the

a

rd domestic

Publish

lightin

ective oper a

ed by The

type of

ange t

lightin

typ

29
London 1"1

switchboard requir

han

wou

ld

be

nec

g

circu

it

an

d some me

tio

n . A limited number of simp

g

circuit~

e,

have mor

Strand

Kin

g·

Stree

and the swit

e than one

El ect

ric

t

es mor e t ho

essa

r y w
thod

part to pla

& Eng. C

che

C 2

ugh

t be

ith

q_

sw

itchboard

of mechanical

l e dimme

s, althou

y.

o.

Ltd.

fore carrying out

which

has a di

interlocking for

gh

r s have
for

to

e

cono~y

Pr

int

be

ed

a

sha

r ed

a s

in

_

England

mme

r

tand-

I

,,-~1

l

I

The

wiring

diagram

- 3 -

for a Cat. Type H. A. 8 Switchboard

for eight

lighting

circuits
12 S
cireuit
types

each. r

witchboard

controls.

arr

anged

Eaeh ligh
a 1-way switch,
in

circuit
Terminals
plugs

specified

be

are

and :Ls n
are
fitted

at

The 2-way

in

.one

horizont

the

down

position

Sw

itch.

these

If

circuits

Immedi

any

at e

ated

at

100

0 wa

is

exa

ctly the

The

remainder

side

by side

ting circuit

and a 2-pin

ot

for the conne

provi

ded

for these

to some

the

time

switches

with

has

flush

variant
of

order.

which

al row below the

("

MASTER

of

these switches

will

ly

be f

below

ed

the

") the

ind

2-w

tts

maximum

same exc

of

ept

the range

one Master Bl a

a 2-way s

witc

socket.

ction

conn e

ction

of

the

basic

h~ve

brown

corresponding

circuits

are

chan

~pendent

ay switch

ly

es i s

is shown
that the

opp

re

consists

ckout Switch comm

of

h , a

This

the

s ,

locking type
socket
stage

or alternative
design.

covers

ar e a

fuses.
are fed
ge d

.

of the Master

through the '.•Jast

to the

another

osite.

are

of

12

two

T

sets

of

he

on

Cat.

of

lighting

these basic

to

rewireable

is

for

conn e

cting

lighting lanterns.

ly

3-pin socket

If

r e

quired the

rranged

When

on

these

tho

s~·

switches

er

up

position

(''INDEP") then

Blackout Switch.

row

of

1-way

switche~

Type H.A.

both.

fuse,
a dimmer

and

se

must

itc:h.board

are

in

Blackout

which
have
down
and
these
will
into
of

cream
position

therefore

switch.

be

switched

it.

the

dimmer.

covers

If

The Master Bla
board.
seeond
describ
concealed

It

is
pole is
ed above and then

by

of a separate

for

qu~ek

("WITHOUT
the lighting

es

is changed to

off

this

i s

DIMMER")

eircuit

unl

ess the

the case the

ckout Switch

al ways a two pol-e s

used

only

wh~re

it switches

a m

etal plate

wa

ll

mounting

below

easy iden

t he

tification.

the

2-pin

s

switch

up

posi t

ion

corresponding 2-pin

circu

i::; alway

witch

it

e;

as shown

the switehboard

the

l e

the Maste

M"'ster Dimrnldr.

When these

sockets

ed on

("W

\'.ri

ll

on the

ft-

hand section.

r Bl a

for

to

full

ITH

be

subject

right-hand

in

the

cons

ists

ekout Switch

'T'hc t-erminals

switehes are

the

dimmers

intensity.

DIMMER~

sock

thi~

et h

as a dimmer

to the

end

wiring

of

two

T

he

diagram

i s

are

connected

in the

are

bridged

If

one

lighting circuit

plu

intensity

of

the

switeh-

• . The

of

the

basie

t e

rminal

block

for the conne

in

of

gge

d

setting

typ

es

ction

parallel

with

the

Master

Blackout

- 4 -

Switch,

so

t h

at a Master Dimmer

can

be

used

to control

en

sure

There

ar.d

the
eentres
dimmers

lighting

a .good

are
panel
for the
are

Cat.

Ca

It

is

dimmers

as

there

specifications
heating
the

same

and

type

earth

two

(s)

se

provided

Type.

t.

Type.

essential

are

and

serious

side

circuits

sel ected

connection.

Slider
below
dimmers

the

with

JLS.15
JLS.21

to

quote

other

Dimmers s

switches

to

facilitate

2-ft.

long leads
250/500
500/1000

the

dimmers

mounting centres.

d~~age

by

side

would r e
and adja

to

Dil'IMERS

pecially

have

watt.

Ca.

talogue

of

similar

Dimmers mu
sult.
cent

ii~fiASTE

tapped

quick

watt.

It

to

~-t11•

designed

holes

and

and are

Slider

Slider

Type when

rating

st

is pre

the

lighting

The

third

for

these

at

the

simple fixin

fitt

ed

with a gr

Dimmer

Dimmer

purchasing

which
not
ferable

have

be

overloaded,

to

circuits

terminal

is

Switchboards,
correct
g.

Both

adua

or

mounting

these
ted

hiring

different

as

arrange

which

dimmers

are

to

scale.

these

over-

oi

within

the

permissable load

these
hose
M

aster

There

for

are

Switchboards

connection

Blackout .Switch.

Cat.
Cat.

also

Type
Type

variations

two

wall

and

thes

to

the

JG

2000/4000

JJ

4000/8000

of

mounting

e

ar

e

master

those

MASTER

Master

fitt

ed

dimmer

watt.

watt.

dimmers.

DIMMERS

Dimmers specially

with

6-ft.

terminal

Stinset

Sunset

of

block

Dimmer
Dimmer

cable

provided

designed

contained

beneath

for

in

metallic

the

The

switchboard

should

be

sit

IN

ed w

- 5

.~rnri.

LLA.TIG

here the

...

N

.operator

can have a tol

er a

ble
view
neutral
with the
the

mou..11ted

equipment

be mounted.within

dimmer

cables

also
along the
arr
in
wiring

of the

Swit

The Isolator

Terminals

be

ange

fhe

acting area.

supply

equipme

chboard.

at a reasonabl e hei g

by acting as

panel

from

found

top.

the
same
from

of ample

being

are provided

the

here,

circuits
area
the

·It must

capacity

nt),

Isolator.

No lig

switchboard

which

should

the

switchboard

added

with the

hting

in a logical

of the

be

a D

at a later

stage

be

provid

shoul

ead

The

d be mounted

of

the

Silent

ht

as

it can

Blackout Switch.

fra

date,

at the rear

terminals

exception

must

to

or

the

exceed

hall

sequence

heat

fed

from a

ed

via

A.C.

be

mework

of

t he

for

of variants

1000

to aid the

should

r e

sisting

separate

an

Isolator Switch

adjace

used

as

the

watts

be

nt

slow

t hi s would pre

insulated

break

to

extend

On

no

outgoing

fitted
ar..d

adjacent.

wiring

single

to

the

right

type

and

the

facilities

account

care should

operator,

should

vent

panel

of the

to
lighting
with

3-pin

Connections

pole

and

(not

hand end

should

the

an

additional

receive

circuits

socket5

be

i.e.

circuits

lanterns

supplied

of

be
of

Isolator

the

will

taken

of

the

should

to

the

be

through

t

he

use

of

e

fficiently

If

the 0witchboard

a

dvisabl e

order

l a

the right

phase 2 wir

1000

to

rge

enough

A

removable

All standa

wa

tt.

permit a future

3-pin
the lig

earthed.

to

hand

e sup1JlY
tungsten

sockets

htin

g e

allow a clear spa

for

an

extension

cover

side
rd

of the

Junior Slider

in
l a

mp load maximum.

and

plu

gs

quipment.

i s an H.A.8

ce

extension.

in

is

provid

3~

~tchboard

Boards are

t he

220-2

50

so

as

to

The :Switchboard

(8

circuit

on

the

l e

ft

The ca

this

case.

ed over

volt

the

to

protect

r :ange and ea

permit the maximum

and

all lru

s

and

hand

pacity

Master

suitable

s:pac~

side
of

the

Blackout Switch

the

only
ch

for 4 dimmers)

of th<:: .Switchboard,

supply should

switch

for

circuit

flexibility

"'l

t er

ns must be

situ

dolly

an A.C.

in

is designed

it

also

ab:ld on

transit.

single

in

is

in

be

for

J

a

separate

The

auditorium

All

the

circuit

owitches

lighting

provid.o:d.

are

should

with

of the

- 6 -

not

be

controlled

a dimmer mounted a

OP

ERA

TION

slow

break

A.C.

type

by

the

djacent.

and

Switchboard

should

be

but

worked

by

silently.
This
current
will

type

also

of

to

quench

shorten

switch

Switching Circuits

At

rehearsal the

11

(

MASTER

No dimmers

rr~.;ITL

and

.

switch

Switching

Blacko'.lt
bro\>m
i.e.

11

)

and

should

DINM.ER"

theM:i.ster

ed

on

by

Circuits

To

swit

ch

Switch

switches

indepe!'lden t

the

is

Blackout Switch

changing

off ligh

for

prefers

any

a?c.

its

life.

Individually

brown

cream (bottom

be

plugged

equivalent

the cream switch

in

Groups

ting

can

be

open e

these

of the H

should

::

tEta:' B

3_ de

liverate

Rapid

(top

row)
row)

into the

to

off.

are

closed.

circuits
d.

If
first

lackout

so

mewhat slow,

flicking

of a switch not

switches
switches
dimmer

Ens1.lre th.s.t

A.Ii.y

to the

simultaneously

~my

circuits

be

cha.n.

3

witch.

ae;tion

should
put

sockets

be

put

in

the

at

this

the

Isoln.-Cor .switch on

lighting eircuit

down

position

i.e.

Blackout,

ar e r equired

e;ed to the up

to

only

fr.

up

position
sta

ean

(11\l

to

position

allow

makes

the

down

ge,

a.lld

thei1

iITHO

the

remain

("DfDEP')

the

it

noisy

position

("WITH

therefore
the
be

UT

DIMMER").

Macter
on,

alternating

but

DIMMER")

wall

then

the

In

when

an

moonlight

It

on t

he

Deag B

·

1solator

lackout

lighting

in

pre1Jaring

t h
actor

is

wall

could
circuit

is

eoming

way

sudden

pretends

through the window and

?tdvisable

to switch

is

r

eq~.d

save

switches.

the

L gh

group chang

to

to

:nake &

off

red

much

time

ting

switch

all

li

shortly

which wou

The

requir

es

of lig

off the

practiee

ght

ing

after

time saves
ed later

hting

general

the

table

of

using the

curcuits,

a g

roup

ld

otherwise

co u

.

can

room

lamp must

i.e.

switching

ld

probe.bly

be

executed.

lighting,

the

remain.

separate Isolator

Dead Bl a

be

used

ckout.

chan

ge _

the

in

resetting _the

be

used

For
effect

If

use

to

advantage

example,

of

switch

a

of

th?

the

- 7 -

Dimming

changes
the

Circuits

Dimmers

from one lig

relativ

are

e

intensiti

Individually

require~

on these switchboard
can

be

considerably

filters.

vn1en, however, a dimmer

the

dimmer
A dimmer
at the

ove

rloaded

\.

fuen

earliest

of

the

circuit

socket

can

bottom

as

pluggin

rehearsal,

lower

sw

itched

and

be

under

of

the

ov~rhe

g a

switch.

'on'

for

gradual

htin

g e

ffect

es

of the
s , the number
simplified

by

is

the

cream

loaded

scale

atin

dimm

of

matching the

If

if a switch

can

g

and

er

in

t he s

be

serious dama

circuit

witch

ensure that

changes

to

the

next,

lanterns

of

dimm

in use

ers

careful selection

essenti
switch

al one
put

in the up

from

tolerated,

ge would

a pra

ctice
intensity
is

the

down

dimm

( 11\v

er

of
and

light

less

intensity,
obyiously,

for a lighting effect,

is limite

of suf

an

intermediate

but

on no

d,

balancing the

of

lamp

ficient

position

account

wattage

rating

C'W

intensity

should

result.

should

be

made, even

setting of the dimmer

ITHO

UT

is

also

DIMMER")

full

(10)

and
before

for

gradual

for

balancing

W

lighting

and

colour

is

plugged

ITH DIMH

to

a dimmer

at

to

the

therefore

plugging

here

ERu)

off

the

position

as

into

•

be

the

in

and

changing the switch

On

the

other ha..

the

dimmer

necessity

so

me unwanted

er

dimm

is

also

to

do

and

from one lig

A dimmer
ponding
changed
m

ediate
the
zero

dimmers,
this switch,

switch
to

intensity

switch

as

soon

W

hether

the

changed

as
the

they

by

are

off

this but

unwelcome

hting

can

be

changed

off

position

or

and

that

lightin

still

the

'"!.d,

(10)

us ed

to the

to

the

switch

brown

to

the

if the

befor

if

it
flashing

circuit

to

fade

down

(O)

full.

dimmer

is

g

circuits

grouped

(top

top

position

switch

e

is

is already

pl~ggin

not

mad

e a r eg

on and

to

another.

in

to

full

posit.ion ("'.JITHO

and used

to

Alternatively,

replugged

changed

to

row)

to

are

switched

the

Master

switches

("WITH

g

it

off

fade

i m

the

(10)

as

DIM

up ("\.!

in.

ular

There

drill the

of ligh

one

UT

in

another

one

circuit
mediately
top

position

on,

or

Blackout

described

MER

").

ITH

DIMMER"),

is

no

r e

ts

when

hastily

lighting

DIMMER~,

circuit,
the

circuit

can

be faded

to

fade

("WITH

are

controlled

Switch,

or

previously.

ensure

electrical

is

likely

changin

the

dimmer

to

an
in

another

DIMME

R").

by

inde_Jendent

that

to

be
g a

corres­unplugged
inter­to

full,

circuit

individual

of

to

/