2014 NEC - Grounding Versus Bonding (26min:26sec)

توضیحات:

Visit http://www.MikeHolt.com/14code to explore Mike's complete range of 2014 NEC training products. For over 35 years Mike Holt Enterprises has specialized ...

لغات کلیدی:

grounding, bonding, electric, saftey, NEC, 2014, Article 250, shock, ground, pool, home, swimming pool, marina, ohm, Electric Shock (Disease Cause)

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