English IMPORTANT! Always shut off power to the circuit before starting installation work. In some countries electrical installation work may only be carried out by a authorised electrical contractor. Contact your local electricity authority for advice. Different materials require different types of fittings. Always choose screws and plugs that are specially suited to the material. 2 עברית !חשוב .נתקו את זרם החשמל לפני תחילת תהליך ההתקנה במדינות מסוימות על ההתקנה להתבצע על ידי חשמלאי .
