41. The Canadian Electrical Code is published in several parts : Part I is the safety standard for electrical installations . 42. He said the strikes have destroyed the country's main airports in Kandahar, Kabul and Jalalabad and damaged electrical installations . 43. However, electricians must be aware of this older system, which is still present in many existing older electrical installations . 44. The orientation per National Electrical Installation Standards ( NECA 130-2010 ) should be with the ground hole on top. 45. The blaze started late Sunday and is believed to have been caused by a faulty electrical installation , he said. 46. Appia was responsible for the job of the bituminous coating on the bridge deck, and Forclum for electrical installations . 47. Ungrounded receptacles are still available for legal purchase, but are intended solely for repairs to existing older electrical installations . 48. In addition the company is a provider of electrical installation and electrical application retailing as well as optic fiber broadband. 49. The electrical installations business ( overhead electrification systems ) was sold to Balfour Beatty in late 2000 for ?153million. 50. Aigner completed a professional training as a telecommunications technician in 1985 and joined the electrical installation business of her parents.