Electrical Contracting News (ECN) August 2017 点击阅读
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Electrical Contracting News (ECN)

August 2017

出版日期 / “商业” / 语言—English / 60页
Lighting The cost of LEDs and fittings can be a challenge for contractors to cost-justify the switchover from legacy HID lamps. Michael Morrison, of Light Efficient Design UK, highlights the benefits of retrofit alternatives. Software and Apps Claire Fletcher discovers how a new app from Pro Certs Software provides electricians with instant access to all the tools, reference charts and tables required for complex electrical calculations 更多
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标签: software · apps · lighting · fire alarms

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