construction drawings
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install the lamp, is strictly prohibited to use wooden wedge, the application of hooks, bolts or expansion bolts. The fixed lamp shall have not less than 2 bolts (or screws). Lamps shall not be mounted on combustible components. 5, lights and electrical
equipment, switch lights and electrical equipment installed on the switch must be installed in the phase (ie control phase), or switch off, the lights off and electrical equipment is still charged, easy to cause electric shock events. Wiring, water pipes 6, there are two kinds of electrical protection system grounding protection and then zero protection, China is now generally taken to the ground protection. Note that the same system, is prohibited to take two kinds of protection at the same time, otherwise it will cause [url=http://solidwpcdecking.com/supplier/12591.html]wood polymer composite deck board[/url] [url=http://solidwpcdecking.com/supplier/12585.html]pe plastic products disadvantages[/url] [url=http://solidwpcdecking.com/supplier/12586.html]wood plastic composite posts[/url] |
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