License- Q&A
Electrical shall not obstruct Correct Ans-Access to clean out and service panels
Massachusetts code for running electrical circuit as licensed oil burner tech Correct Ans-
Can make electrical connections for replacement only. Can install as a replacement up to 10
feet of EMT or 6 feet of flex MC
Circuit Correct Ans-Shall be supplied by a seperate branch circuit, clearly marked
Connections Correct Ans-All protective, control and emergency devices shall be in series
on the ungrounded conductor
Must contain Correct Ans-Emergency switch, thermal switch, service switch, and low
water cut out on boilers
Service switch Correct Ans-Must be installed where the operator can see the fire. Not
more than three feet from the burner
Stack relay requirements Correct Ans-Where used it must be readily removable for the
stack mounting flange.
Electrical thermal switch requirements Correct Ans-Must break the ungrounded conductor
at 165°F within 6 ft over the top of the burner-boiler or burner-furnace.