PS - It's also possible to put the electrical wiring inside a conduit between the base and the fixture, in which case the comm wiring doesn't need a conduit. I think this makes a neater installation, but you have to get whoever it is that maintains the lighting to buy into it.
PPS - The ground wires can be exposed to each other. This is often necessary to bond both systems to the grounding electrode at the base of each light pole. From: The EDUCAUSE Wireless Issues Community Group Listserv <[email protected]> On Behalf Of Enfield, Chuck Sent: Tuesday, September 08, 2020 12:18 PM To: [email protected] Subject: Re: [WIRELESS-LAN] Mounting outdoor AP's on Lightpoles The pole is a conduit, but it's an electrical conduit. Just like indoors you can't put power and comm in the same conduit. We run a separate conduit inside the light poles. A small, flexible conduit can be fished in after the fact if necessary. Our poles are almost all square, so we can just use a weathertight SG box where we enter and exit the pole to keep water out of the pole. A typical installation would involve a schedule 40 or schedule 80 PVC conduit front the ground and up the base to a SG box near the bottom of the pole, another SG box high on the pole just above the desired AP mounting height, and a small NM conduit inside the pole connecting the two boxes. The conduit work inside the pole should be performed by electricians, but once in place your telecom installers can do the rest. From: The EDUCAUSE Wireless Issues Community Group Listserv <[email protected]> On Behalf Of Blake Brown Sent: Tuesday, September 08, 2020 11:57 AM To: [email protected] Subject: Re: [WIRELESS-LAN] Mounting outdoor AP's on Lightpoles We would be interested in hearing about this one as well. Thanks, Blake ________________________________ From: The EDUCAUSE Wireless Issues Community Group Listserv <[email protected]<mailto:[email protected]>> on behalf of Brian Helman <[email protected]<mailto:[email protected]>> Sent: Tuesday, September 8, 2020 8:48 AM To: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> Subject: [WIRELESS-LAN] Mounting outdoor AP's on Lightpoles External Email The folks who have gone done the path of putting AP's on lightpoles using something like this mount: https://i.ebayimg.com/images/g/nZoAAOSwo4pYJkON/s-l500.jpg<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fi.ebayimg.com%2Fimages%2Fg%2FnZoAAOSwo4pYJkON%2Fs-l500.jpg&data=02%7C01%7Ccae104%40PSU.EDU%7Cdf85660e9c314e6e0d7f08d85412b8cd%7C7cf48d453ddb4389a9c1c115526eb52e%7C0%7C0%7C637351786671578203&sdata=O5CdEPsneIarzdk5RY3cRaIr3x9wURwrzyQyCqM0nKE%3D&reserved=0> Did any of you put the AP's on existing light posts? How did you run low voltage copper along with the wires that support the light; did you go internal - is the pole consider a conduit so you can't mix or did you "stretch" that code a bit - or external (buddying some EMT)? If you ran the low-voltage cable internally, how did you coordinate drilling the poles with your Facilities people to pass the low-voltage cable? Feel free to hit me off-list. Vendors: Please do not call or respond with sales. If you have a suggestion on how to do the installs, please provide to the group. Thank you, Brian ********** Replies to EDUCAUSE Community Group emails are sent to the entire community list. If you want to reply only to the person who sent the message, copy and paste their email address and forward the email reply. 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