 鲜花( 0)  鸡蛋( 0)
|
SCOPE OF THE CONSTRUCTION ELECTRICIAN OCCUPATION
) v) n9 h' z) r% WThe title “construction electrician” defines a person who, because of his or her knowledge,* g, p/ R# t) E
training and abilities, is capable of laying out, installing, testing, troubleshooting, and repairing electrical
. H: I+ ^' b3 [6 `6 r5 ^systems, which provides light, heat, communications, and power to a variety of new and existing
( v$ @2 D/ G8 j' B1 i8 g1 Xresidential, commercial, and industrial structures.4 n% U+ O$ l0 }- q# H
Construction electricians read and interpret electrical, mechanical, and architectural drawings' v) a6 \, ?; s t3 S2 }
and electrical code specifications to determine wiring layout. They cut, thread, bend, assemble, and9 a, u" X/ g7 ?: S& K# d1 V3 m
install conduits and other types of electrical conductor enclosures and fittings. They pull wire and cable, y8 p0 ?$ p$ O1 ~, y# p7 F. c0 G
through conduits, position, maintain and install distribution and control equipment such as switches,1 Z* \+ k A6 Y& v6 q# ]+ Z
relays, circuit breaker panels, and fuse enclosures, install single and multi-wire cables above and
& H& n: v z1 ~6 i) ?underground, install data cabling, and install and maintain fibre optic and signalling systems.
! h6 p" v4 \ B- ]Construction electricians work in the full range of environmental conditions: from outside in
- L ?( w) U0 p6 d6 s6 x# @: H- fall weathers; inside in dusty industrial plants and mills; to state-of-the-art clean-rooms in hospitals and, y; r t' F8 \ |
manufacturing plants. The work often requires considerable standing, bending, crawling, lifting,
( x3 A7 ~" H+ O7 y6 H' \; _* |( r, Kclimbing, pulling, and reaching and may be conducted in cramped, confined spaces or on ladders and
4 |6 Z9 O9 R% K2 m# Iscaffolding at great heights. Hazards include electric shocks, burns, and falling objects.
" _; r9 H; s9 m3 D) x" FConstruction electricians are required to have good mechanical ability, a thorough& K8 h/ \& O6 e* K' a9 _! r6 b4 C6 V
knowledge of the principles of electricity, circuitry, and power distribution systems, and familiarity with* [) E- t, P1 [9 p
the materials and techniques of construction. All construction electricians are required to be competent in1 d& Q6 K) E a. }2 o+ h
the use of hand and power tools and test equipment.
' i3 O* v2 q% iAll electrical wiring and installations must conform to the CSA Canadian Electrical Code.5 P- q3 [& F0 z
Therefore construction electricians must be thoroughly familiar with the latest issue of this document.
# ]7 [5 ?; U& H" V2 z( V8 D: RFor safety, permits and other regulations they follow local electrical, building and safety codes.
/ `2 G) g2 w# M* M) W; POn small jobs, construction electricians may work alone with minimal supervision, and they
# d0 m1 P, ^9 e7 L# C* ]8 W- p& xmay supervise an apprentice. On large jobs, they may work under the direction of a supervisor.
) i) ?6 \, G {Construction electricians interact and work co-operatively with the full spectrum of( N& a! X6 e4 w" e6 L
construction tradespeople, such as carpenters, lathers, cabinetmakers, plumbers, and heating, ventilation, y% k) `; Z& Q. D# T) ?
and air-conditioning technicians. They are required to constantly adjust their schedule and work to
! P4 I: j$ Z# L$ v @accommodate the schedule of these other trades since most trades rely on some sort of electrical
! O% w" s. u* ?4 ? s! I& {connections at specific points in the construction cycle.. ?6 \: G" D5 }+ ]
With advances in technology the work of the construction electrician is changing. Today’s# @3 b8 K# v( G F* Y
wired environment requires construction electricians to be able to install a variety of wiring such as data,7 ?! [( X& L+ u+ a- n9 M+ W2 l
audio, video, signalling, and communication cabling. Electrical control systems are also becoming more
7 V* {2 N$ q. J/ D7 }, d2 jcomplex, often solid-state or computer-controlled, which requires the construction electrician to have a$ J" f* A8 Z5 @# J: z) v5 N
greater knowledge of electronic systems.
& d4 Q' X$ D5 r" e1 a9 a6 o6 X3 ^" v$ c% g
引自 “interprovincial standards red seal program - national occupational analyses“2 t0 L! y& L: u' `3 l4 y
) A$ Z* c5 N; y8 ]+ a) Lhttp://www.red-seal.ca/Site/trades/analist_e.htm |
|