above or below all switch and receptacle boxes. They should run along the sides of joists, through bored holes, or along a continuous 1x attached to the joists. Are you tired of drilling sloppy holes in electrical boxes? Learn the secret to drilling perfect holes every time! In this video, we'll show you a simple and easy-to-follow technique to ensure accurate and precise holes in electrical boxes. Say goodbye to messy and uneven holes and hello to. more. This PDF copy is provided for convenience and may not contain the latest rule updates. aspx?cite=296-155to find the official and most up-to-date, legal version of L&I Division of Occupational Safety & Health (DOSH) rules. Safety Standards for Construction Work. In the realm of electrical construction, the use of hand holes is a fundamental aspect that plays a key role in ensuring the safety, efficiency, and longevity of electrical systems. These small but essential features are crucial for maintaining and accessing underground electrical equipment and. This subpart addresses electrical safety requirements that are necessary for the practical safeguarding of employees involved in construction work and is divided into four major divisions and applicable definitions as follows: (a) Installation safety requirements. Installation safety requirements. TO EVERY CIRCUMSTANCE OR ELECTRICAL SYSTEM. SRP ENCOURAGES EACH USER TO CONSULT WITH ITS OWN TECHNICAL ADVISOR CONCERNING THE APPLICABILITY OF THESE TANDARDS TO THE USER'S SPECIFIC SITUATION. THE USER ASSUMES ALL RIS USE OF OR RELIANCE ON THESE SPECIFICATIONS.