M mcelweec@gmail.com CMAC1 Location NYC Occupation Electrician Oct 8, 2009 #1 can the gec for multiple separately derived system be used for other grounding systems e.g. in nyc fa grounding and data rack grounding.
can the gec for multiple separately derived system be used for other grounding systems e.g. in nyc fa grounding and data rack grounding.
M mcelweec@gmail.com CMAC1 Location NYC Occupation Electrician Oct 8, 2009 #2 nevermind nyc dosent allow this method to begin with.
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Oct 9, 2009 #3 Does the building have structural steel? I've always seen that used for bonding of the fire alarm and data rack systems.
Does the building have structural steel? I've always seen that used for bonding of the fire alarm and data rack systems.