In the event of Class C electrical fire, do not let the horn of metal fire extinguisher come anywhere near the circuit.
Also, make sure the space is well ventilated, as CO2 in Class C extinguisher will displace oxygen and can be in confined space..
NOTE Class C extinguisher can be used on Class B fire, and not on Class A fire fueled by wood, paper or textiles..
Additionally, make sure to secure the ladder to your work overhead rack it's easy for the wind to pick up ladder and carry it off when driving at highway speeds..
hall or passageway, make sure that it's barricaded off with safety cones or safety tape..
HVAC techs are likely to come into contact with solvents, adhesives, cleaners, oils and other chemicals on daily basis in their work.
most refrigerants have A1 classification, meaning they are nontoxic non-flammable, it's still important to have properly ventilated work area creating in enclosed space.
Hot or live lead hot or live lead is the opposite of grounded it refers to lead that's energized by the building's electrical supply..
GFCI When using any power tools always make sure it's plugged into GFCI outlet that will shut down in case the tool comes into contact with live lead..
Protocols from OSHA state that piece of equipment has to be disconnected from its source before service, and just opening the switch at the breaker box might not be enough.
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