A Licensed Electrical Contractor's defect ratio is one of the factors in determining the risk ranking for RBO. That's why, on this episode, host Karen Ras continues her conversation with Trevor Tremblay, technical advisor at ESA, on some of the most common defects recorded. Among the issues covered, Trevor gives advice on unapproved equipment and non-metallic cables and receptacles – so that you can stay up to date on how new products can present new electrical hazards.