Related Clues:

• Put in one's eight hours
• "For indoor __ only"
• ___ had a painful ___ to do
• Much-tested one
• Place into service
• Fall off the wagon
• Deplete (with ''up'')
• Electricity bill listing
• Word with odd or snow
• Determinant of utility charges
• Subject of Fowler's handbook
• Put to a purpose
• Utility bill basis
• Nine-to-five routine, and hint to this puzzle's theme
• Take unfair advantage of