world community grid

Monday, December 8, 2014

bonding jumper=a reliable conductor to ensure the required electric conductivity nec article 100


in location where electric equipment would be exposed to physical damage=enclosures or guards
nec section 110.27 b


to provide access to working space entrances =1 nec section 110.26(c)(1)


externally operable means=nec article 100 it means surrounded by case



working

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