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Все вопросы
- What color should be painted openly laid the ground conductors? #11
- What kind of background should have a warning sign "Caution! Voltage" which is applied through a stencil on the concrete line support? #12
- Who is covered by the Interbranch rules on labor protection (safety rules) for electrical installations? #13
- As a share of the installation in terms of electrical safety? #14
- What premises are called raw? #15
- What is the frequency of refresher training should be provided by the employer for the staff? #16
- In how long should be training of electrical personnel in the workplace prior to independent work? #17
- How often a check must be made of electrical circuits electrical installations in compliance with the actual operational? #18
- How is metering during the repair of the means of energy accounting? #19
- What a megger is insulation resistance measurement in circuits testing voltage of 500 to 1000 In? #20