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ELECTRICAL ANDINSTALLATION

MAINTENANCE NC IIUNIT OF COMPETENCY:Install Electrical Lighting Systems n

A!"iliary O!tlets an# LightingFi"t!res

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Install electrical 'iringsystem !sing ne ty(e )'iring meth#s:

Circ!it !sing *+'ay s'itches in

t' lcatins:

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*+'ay s'itch circ!its:

> %ere are se,eral ,ariatins )!sing *+'ay s'itches t cntrl

lights )rm t' lcatins- Clrsare sh'n cnsistent 'ith theNEC-

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SIN$LE LI$%T CIRCUITS:

Ne"t sli#e is (erha(s the sim(lestarrangement. (anel t s'itch t

s'itch t light:

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Ne"t sli#e is a ,ariatin 'ith thelight /et'een the t' s'itches.i-e-. (anel+s'itch+light+s'itch- In

this case. the en# ) the 'hite 'ire)rm the light /" t the rights'itch m!st /e re+mar0e# /lac0 tin#icate that it is a ht 'ire:

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Ne"t is a circ!it 'ith the light/et'een the t' s'itches. /!t 'iththe (anel )ee#ing the light /"- Nte

similar remar0ing t a/,e-

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CONTROLLIN$ MORE T%AN ONE LI$%T:

Any ) the a/,e can /e m#i)ie# tcntrl m!lti(le lights- A##itinal

lights are 1!st 'ire# in (arallel 'iththe )irst. !sing t' cn#!ctr ca/le-The /lac0 sh!l# /e cnnecte# t the/lac0 'ire )ee#ing the light an# the'hite t the 'hite 'ire )ee#ing thelight in all cases- %ere is nee"am(le-

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> BUILDING WIRING INSTALLA

TION 3-WAY SWITCH

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