a. The power on-off switch breaks the neutral wire, not the hot wire.
b. The switch is not functional and the power remains. c. The service person believes the contactor on the outdoor may only break one leg of the power and the second leg is not broken.
24A34 Series
STACK-ON ELECTRIC HEAT SEQUENCERS
24 volt control of single or multiple stage
electric heating elements. Direct replacement for most Honeywell, as original equipment.
d. The contact on one leg of a multiple pole contactor is welded shut and power flows thru the welded contacts, even though the contactor is in the open position. voltage side of the system and the service person believes they will not come in contact with high voltage.
f. The line voltage is fed from a separate power source and the second power source is overlooked.
Always locate the power source and shut the power down. Al- ways confirm all power to the equipment is off with a reliable - sions and death.