Don't the bulbs have a voltage printed on the ?
If not , count how many in series across your 120vac supply.
The life of a bulb is inversely proportional to the applied voltage to the 4th or 5th power, so overvolting seriously decreases life.
Allan
Don't the bulbs have a voltage printed on the ?
If not , count how many in series across your 120vac supply.
The life of a bulb is inversely proportional to the applied voltage to the 4th or 5th power, so overvolting seriously decreases life.
Allan