| Search results - "12" |
Why cables should not rest on traffic signal arms #1 of 21796 viewsWhen plant is allowed to rest on traffic signal arms (or light standard arms, etc.) eventually wear will occur as the cables rub the arm. This will result in plant problems, and can damage the traffic signal arm, too.
|
|
Why cables should not rest on traffic signal arms #2 of 21769 viewsIn this close-up of a cable TV distribution cable, you can clearly see the effects of wear on the cable. Eventually this line will wear through, fail, radiate signals, and permit ingress to impact picture quality.
|
|
Wrong Clamp - Wrong Time1659 viewsHere's an example of using the wrong type of ground clamp (not permitted outside) with the wrong size of wire (the #6 is too large for the clamp).
|
|
Down guy drop (Part 1 of 2)1782 viewsIn this unusual picture, an installer ran a drop cable from an overhead tap to an underground install by attaching the drop to the anchor guy and then burying the drop from the base of the anchor over to the house. Down guys are not cable supports.
|
|
A little too close for comfort...1623 viewsAnother case of proximity to power. While trying to follow the other utilities, the installer has placed his P-hook and the drop attachment much to close to the power weatherhead. NEC states a minimum of 12 inches of clearance from ANY part of the drop at or prior to the attachment point.
|
|
Use the power bracket.. NOT.1657 viewsCan't get much closer to power than to use their bracket as an attachment point for cable. Violates the NEC by being less than the minimum 12 inches from any part of the power drop at or prior to the attachment point.
|
|
Multiple infractions here1605 viewsPoor workmanship, anchoring, loose down guys, loose bonds. Potpourri here.
|
|
Too close to power1251 viewsCable drop run too close to power. On this MDU with HUGE input electrical conductors, the installer chose to climb up into the wiring to secure the cable drop. NEC prphibits any connection within 12 inches of the power drop wires.
|
|
Down guy drop (Part 2 of 2)1556 viewsClose-up view of the cable drop at the base of an anchor guy where it is now buried over to a home. The installer apparently used the anchor guy as a means of getting from the overhead tap to the lawn.
|
|
It is such an obvious attachment point. Why shouldn't I use it??1714 viewsCable drop attached to the power mast above the roofline and in close proximity to the power conductors. NEC 820-10(b) requires a minimum of 12 inches of clearance from the wires, and NEC 820-10(c) prohibits the attachment to a riser that contains electrical conductors.
|
|
More power, I need more power....1317 viewsThis drop attachment point places the drop as well as the cable installer much to close to dangerous power conductors. This placement violates NEC 820-10(b).
|
|
Ungrounded Multiple Dwelling Unit Drops2001 viewsUngrounded MDU drops. In addition to being unsecured and the lid missing on this MDU connection box, the #6 ground wire has been completely disconnected and extends to the left of the box.
|
|
Drop conflict between cable and telephone1115 viewsCable drop runs under a main telephone cable. Interference to telephone facilities.
|
|
This could be a shocking experience....1203 viewsToo close to power. Lots of power. This drop is attached less than 12 inches from the main power feed to an apartment building.
|
|
Distribution cable ground950 viewsDistribution cable grounded by installing a copper ground strap around the shield and tightening the set screw, damaging the shield.
|
|
Let it all hang out1508 viewsPoor drop maintenance. Drops interfere with telephone facilites.
|
|
I don't think we are quite finished here.1101 viewsIncomplete rebuild construction. Fiber bundle coiled and secured to strand. Interferes with telephone facilites and cables.
|
|
A rat's nest of wiring problems1414 viewsMultiple cable drops attached to an apartment building. Workmanship issues here.
|
|
Under, over, through the power conductors1165 viewsThe installer ran multiple service lines up the wall, over the weather head of the power drop, and right through the middle of the power conductors. Violates the 12" separation rule of the NEC.
|
|
Right through the middle of power816 viewsCable hard line construction right through the middle of power lines. This .500 cable drop is installed literally in the middle of the power conductors on the MDU.
|
|
Good neutral bond, but not legal. Dangerous too!!1277 viewsIn this case, the installer ran a ground wire into the main electrical panel and installed a wire clamp on the utility neutral conductor.
|
|
Into the panel we go...790 viewsMultiple NEC violations. First the wire is routed over the lip of the power conductor access and then screwed to the panel. Not an approved ground connection.
|
|
Just twist them all together. .749 viewsMultiple conductors on the same ground clamp. As indicated in the picture, multiple ground wires were twisted together and then clamped under a Fargo clamp. This connector is not rated for this kind of connection.
|
|
To the meter panel screw again.698 viewsGrounded to the center screw on a power panel. This connection interferes with access to the meter panel.
|
|
Rusty ground connection666 viewsGround strap on a very rusty power weatherhead. The installer had to work his way through the power conductors to make this very poor connection to an extremely rusted power mast. No apparent effort to clean or prepare the grounding surface. Too close to power conductors.
|
|
Wiring run too close to power759 viewsIn this photo you will observe the cable wire run directly under the main power conductors. The NEC prohibits any run of wiring to come within 12 inches of the power cables prior to the weatherhead. In this case, the installer had to pass the cable between the conductors.
|
|
"Grounded" to a metal handrail (Part 2 of 2)733 viewsIn this picture, you can see the entire handrail with the ground connection at the top. Not an aprroved NEC ground connection by any means.
|
|
"Grounded" to a metal handrail (Part 1 of 2)567 viewsIn this close-up photo of a metal hand rail on a set of steps, you can see the ground attachment made to the top of the railing. This railing is not a ground attachment in any sense of the rules and a green tag does not make it so.
|
|
Ground connection to hinged panel door441 viewsIn this photo, the ground wire is connected to a screw on the hinged portion of the breaker panel door. This connection is not suitable because it requires the cable to flex when the door is opened. In addition, the hinge is not a solid ground connection due to the fact that it is moveable. Moreover, the wire is not secured by a suitable clamp at the screw.
|
|
Ground to power mast drop bracket418 viewsIn this photo, the installer loosened a nut on the back of the power drop attachment bracket and wrapped his ground wire around it. This is a violation of the NEC.
|
|
Cable drop situated too close to power952 viewsIn this picture, the anchor support for the power drop has pulled out of the roof and allowed the power conductors to come dangerously close to the cable drop. As evidenced by the pair of pliers on the roof and the blue tape on the conductors, it appears the owner was trying to make repairs without benefit of the power company.
|
|
Improper piggyback ground to telephone protector586 viewsIn this photo, the cable installation was grounded by running the green ground wire from the cable ground block into the adjacent telephone box and grounding it to the telephone protector block. This is sharing a ground and tampering with telephone facilities. Not permitted under the NEC.
|
|
Two on a ground624 viewsIn this photo, the cable ground is being shared by multiple conductors. This type of clamp is rated for only one conductor and was already being used by the phone company .
|
|
Grounded too close to the power weather head413 viewsIn this photo, the installer has attached a ground clamp in the immediate vicinity of the power weather head, and less than the required 12 inches distance from any of the power conductors.
|
|
I do believe the cable drop is using the power attachment!1008 viewsViolates the NEC. Drop within 12" before the attachment; within 12" at the attachment; within 4" after the attachment; attached to the power mast above the roof.
|
|
Just a tad but too close to power, don't you think?1117 viewsMultiple violations of the National Electrical Code. First, the cable and power drops are less than 12" apart prior to the attachment. At the attachment they're less than 12" apart. The drop is attached to the power riser above the roof. There's more, but I'm out of room.
|
|
|
|
