该小组履行以下部分或全部职责：

• 监督、协调和安排安装、维修和维护电线、固定装置和控制设备、电力系统、电信系统和有线电视系统的工人的活动
• 建立满足工作时间表并与其他部门或分包商协调工作活动的方法
• 征用材料和用品
• 解决工作问题并推荐工作措施以提高生产力
• 培训或安排培训工人
• 推荐人事行动，例如招聘和晋升
• 确保遵守安全工作条件标准
• 准备工作进度报告
• 可以管理自己公司的运营
• 还可以监督、协调和安排相关学徒、助手和劳工的活动。

• 通常需要完成中学学业。
• 需要多年的相关行业合格技工经验。
• 需要相关行业的熟练工人/妇女贸易证书。

• 小型企业的承包商可以在其专业领域内执行任务，而与大中型企业相关的主管或承包商通常不会这样。
• 特定行业内的工作之间存在一定的流动性；然而，贸易间流动性很小或没有。

• 电气机械工头/女工（72020 承包商和主管，机械行业）

This group performs some or all of the following duties:

• Supervise, coordinate and schedule the activities of workers who install, repair and maintain electrical wiring, fixtures and control devices, power systems, telecommunication systems and cablevision systems
• Establish methods to meet work schedules and coordinate work activities with other departments or subcontractors
• Requisition materials and supplies
• Resolve work problems and recommend work measures to improve productivity
• Train or arrange for training of workers
• Recommend personnel actions such as hirings and promotions
• Ensure standards for safe working conditions are observed
• Prepare work progress reports
• May manage the operations of their own companies
• May also supervise, coordinate and schedule the activities of related apprentices, helpers and labourers.

• Completion of secondary school is usually required.
• Several years of experience as a qualified tradesperson in a relevant trade are required.
• Journeyman/woman trade certification in a relevant trade is required.

• Small businesses' contractors may execute tasks within their trade area of expertise, which is generally not the case for supervisors or contractors associated with a medium or large business.
• There is some mobility between jobs within a specific trade; however, there is little or no intertrade mobility.

• Electrical mechanics foreman/woman (in 72020 Contractors and supervisors, mechanic trades)