To make or keep safe from danger, attack, or harm: a vaccine to defend the body from infection. b. To engage in or be prepared to engage in battle to prevent (a population or area, for example) from being captured or occupied by an enemy.
Originally posted by voyager2: Excuse my lack of knowledge Nonsense! An MLO panel, as JW mentioned, stands for Main Lug Only. It is the opposite of an MDP, or Main Disconnect Panel. An MLO's busses and branch circuits are supplied by only the lugs at the line side of the panel, whereas an MDP provides overcurrent protection (OCPD) for the branch circuits.
Divisional LCPO/LPO. In the procedure block, work center supervisors may line out the non-applicable line terms (alternate procedures) that do not pertain to current equipment/configuration when the step is followed with the words if applicable or a note identifying the steps to be omitted.