Working with Armored Cable: Dos and Don'ts | DoItYourself.com
2010年6月20日 · When installing armored cable, you should place support straps every 24 inches or so to ensure that the weight of the cable is completely supported. Long runs of armored cable can be quite heavy and cause stress on the connector between the cable and the junction box if not supported. You should also place a support strap within about 12 inches ...
what to do with bx cable without a ground wire?
2004年11月21日 · In commercial, when dealing with older buildings that have BX without a ground, we just make sure the connector is tight on both ends of the cable, than you should be fine. Also, older BX cable that only had the hot and neutral wires still had a very thin ground wire in them. It was actually wrapped around the inside of the metal jacket, take a ...
What is the difference between AC vs. MC Cable
2010年4月26日 · "BX" is a brand name of armored cable (AC). AC and metal-clad cable (MC) are similar in uses and construction. The main difference is that AC has a copper or aluminum bonding strip manufactured into the spiral sheath so that the spiral can be used as the ground. MC has an insulated green ground conductor.
BX Cable Use Outside - DoItYourself.com Community Forums
2007年7月11日 · Justin. > BX cabling as a term BX is an historical brand name of armored cable (AC); much like Romex is a brand name of non-metallic (NM) cable. Actual BX cable is no longer used as it is inferior to modern AC in several ways. Electrical - AC & DC - BX Cable Use Outside - Hi, I've been meaning to add a dedicated circuit for my AC in my house ...
NM vs. BX cable - DoItYourself.com Community Forums
2003年3月14日 · Unless local codes prohibit, I would definitely say NM cable. It is easier to work with and is much cheaper. The BX may have been run in your basement because of local codes, or simply because it is exposed and is visually more appealing. If the cables are strapped on cinder block walls then NM could not have been used in such an application ...
mixing Romex and BX wiring - DoItYourself.com Community Forums
2004年8月29日 · Two wire (with ground) is all that's needed. You MUST terminate both wires in a metal box. Put the NM ground wire under a ground screw in the threaded hole in the back of the box, every metal box has one. Then just make sure the BX connector is nice and tight in the box. The cable and connector is the ground with BX.
using voltage detector with bx - DoItYourself.com
2005年12月6日 · Posts: n/a. If the BX is wired correctly and in metal boxes you should read voltage between the black and the metal box or BX cover. If you don't have voltage the BX is NOT wired correctly and there is no ground path. A neon tester will tell you if the line is hot but a voltmeter or wiggy will tell the amount of voltage is on the line.
How to Cut Armored Cable | DoItYourself.com
2010年6月30日 · Step 4 – Bending the Cable. Remove the saw, and then bend the cable until the armor breaks. To remove the armored cable casing from the wire beneath, slowly pull it off over the end until the wires are fully exposed. If you want to replace the armored cable, installing armored cable is simple. More From Doityourself. Basics.
Grounding a BX wire connection to new dishwasher
2013年7月8日 · No, With BX like you describe, the metal jacket is your ground. You can confirm this by taking a meter and checking between the hot wire and the metal jacket. You should get 120 volts. You need to use a proper connector for A/C cable (the NEC name of BX) The connection plate of the dishwasher should also be metal to carry the ground. Upvote.
Grounding Armored Cable - DoItYourself.com Community Forums
2001年8月3日 · 604-6. Construction. (a) Cable or Conduit Types. 1. Cable shall be listed armored cable or metal-clad cable containing nominal 600-volt No. 10 or 12 copper-insulated conductors with a bare or insulated copper equipment grounding conductor equivalent in size to the ungrounded conductor. 2.