该小组履行以下部分或全部职责：

• 安装、拆除、维护和修理空中和地下电话、同轴和光纤有线电视以及其他电信传输和分配线路、电缆和相关硬件
• 拼接和维修各种类型和尺寸的电话和其他电信电缆，包括单线、同轴和光纤
• 修理或更换有故障的电缆、电源、放大器和其他相关的输配电设备
• 检查、监控、测试和调整电信传输线路和电缆以及配电系统
• 分析并记录测试结果
• 在电线杆、梯子或其他支撑结构上攀爬和工作，或在密闭空间（如沟渠、隧道和爬行空间）工作
• 与其他工人沟通，协调工作任务的准备和完成
• 协助架设和拆除电信杆、塔和相关支撑结构
• 可以操作挖掘机械和其他重型设备。

• 必须完成中学学业。
• 对于电信线路和电缆安装和维修人员，完成为期四年的电信线路和电缆学徒计划或结合三年以上的行业工作经验和一些行业相关或其他专业课程或完成两年制大学通常需要电子学课程。
• 对于有线电视维护技术人员，需要完成电子大学课程或与电子和电气系统相关的大学、函授或行业课程的组合，以及在职培训或完成为期四年的有线电视技术员学徒计划.
• 安大略省提供网络布线专家行业认证，但属于自愿性质。

• 随着经验的积累，可能晋升到主管职位。

• 电力线和电缆工人（72203）
• 电信设备安装及有线电视服务技术员（72205）
• 承包商和主管、电气行业和电信职业 ( 72011)

This group performs some or all of the following duties:

• Install, remove, maintain and repair aerial and underground telephone, coaxial and fibre optic cable television, and other telecommunication transmission and distribution lines, cables and associated hardware
• Splice and repair various types and sizes of telephone and other telecommunication cables including single line, coaxial and fibre optic
• Repair or replace faulty cables, power supplies, amplifiers and other associated transmission and distribution equipment
• Inspect, monitor, test and adjust telecommunication transmission lines and cables and distribution systems
• Analyze and record test results
• Climb and work aloft on poles, ladders or other support structures or work in confined spaces such as trenches, tunnels and crawl spaces
• Communicate with other workers to co-ordinate the preparation and completion of work assignments
• Assist in the erection and removal of telecommunication poles, towers and associated support structures
• May operate excavation machinery and other heavy equipment.

• Completion of secondary school is required.
• For telecommunication line and cable installers and repairers, completion of a four-year telecommunications line and cable apprenticeship program or a combination of over three years work experience in the trade and some industry- related or other specialized courses or completion of a two-year college program in electronics is usually required.
• For cable television maintenance technicians, completion of a college program in electronics or a combination of college, correspondence or industry courses related to electronics and electrical systems and on-the-job training or completion of a four-year cable television technician apprenticeship program is required.
• Trade certification for network cabling specialists is available, but voluntary, in Ontario.

• Progression to supervisory positions is possible with experience.

• Electrical power line and cable workers (72203)
• Telecommunications equipment installation and cable television service technicians (72205)
• Contractors and supervisors, electrical trades and telecommunications occupations (72011)