5.3003.16a
Homes will have a four-wire service entrance to the panel box to ensure a wiring system that is nominally rated at 120/240 volts and allows for proper grounding
Grounding at the service entrance will be checked to determine proper grounding of the home
Ensure occupant and worker safety
5.3003.16b
Polarity of equipment will be verified by a qualified technician if wiring is to be modified or repaired
Ensure equipment:
Operates as designed Operates safely
5.3003.16c
Voltage will be in accordance with manufacturer specifications
Ensure equipment operates as designed
5.3003.16d
Voltage drop will be within acceptable range in accordance with manufacturer specifications
Ensure contactor does not overheat
Ensure equipment operates as designed
5.3003.16e
Grounding will be connected in compliance with local code requirements,
ANSI
ANSI
American National Standards Institute, www.ansi.org
/NEMA GR 1-2007, and
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70 National Electric Code
Frames of home sections will be bonded with copper wire
Bonding lug will be selected to prevent corrosion due to dissimilar metals
Ensure equipment:
Operates as designed Operates safely Ensure ground continuity among sections
5.3003.16f
Amperage will not exceed manufacturer full load amperage
Ensure equipment:
Operates as designed Operates efficiently Operates safely
5.3003.16g
Amperage will not exceed manufacturer full load amperage
Ensure equipment:
Operates as designed Operates efficiently Operates safely
5.3003.16h
Blower compartment safety switch operation will be verified, if present
Ensure blower:
Does not operate during service Cannot backdraft a flue when the door is off
5.3003.16i
Emergency heat circuit functions will be verified
Ensure system delivers heat in case of compressor failure
