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Все вопросы
- What kind of background should have a warning sign "Caution! Voltage" which is applied through a stencil on the concrete line support? #351
- Who is covered by the Interbranch rules on labor protection (safety rules) for electrical installations? #352
- As a share of the installation in terms of electrical safety? #353
- What premises are called raw? #354
- What is the frequency of refresher training should be provided by the employer for the staff? #355
- In how long should be training of electrical personnel in the workplace prior to independent work? #356
- How often a check must be made of electrical circuits electrical installations in compliance with the actual operational? #357
- How is metering during the repair of the means of energy accounting? #358
- What a megger is insulation resistance measurement in circuits testing voltage of 500 to 1000 In? #359
- When to run the protection at indirect contact? #360