
The use of a vent or air handling units may be essential if the control box is situated in high atmospheric temperature area's. If temperature management is required, then air intakes and exhaust vents should be easily accessible so that filters may be accessed and replaced. Both the NEC and UL clearance requirements surrounding electrical wiring and heat-producing equipment must be considered.
Sometimes, cars cause problems at the least opportune times, so keeping a roll of butyl tape in your car for those unexpected issues can come in handy. You can use butyl tape for quick emergency car repairs like filling gaps on a firewall or fixing a sunroof.