Featured: Anderson Powerpole PP45 Connectors (10 pairs) at DX Engineering.
This is an affiliate link: Hood's Finds may earn a commission from DX Engineering at no extra cost to you. We have not tested this product; the specifics below come from the product listing.
A solid-state amplifier is only as good as the DC power reaching it. Loose clamps, mismatched plugs and connectors that can go in backwards cause voltage drop, heat and the occasional expensive mistake. That is why so many amateur stations have standardized on Anderson Powerpole connectors. DX Engineering carries them as the Anderson Power Products PP45-10PK.
What is in the listing
DX Engineering describes the PP45-10PK as Powerpole connectors, Anderson, PP45, 10 red and 10 black, for 14-10 AWG wire. The amperage rating is listed as 45 amps, with a minimum wire gauge size of 14 AWG and a maximum of 10 AWG, and they are sold as a set of 10 pairs. The listing says they are even recommended for circuit interrupt or hot-plug applications.
Check the listing for exactly which parts come in the pack before ordering. Note too that these standard housings will not mate with the finger-proof housings, so pick one style and use it throughout the station.
Why builders like Powerpoles
- Genderless housings. Identical connectors mate with each other, so any cable fits any outlet built the same way.
- Color-coded polarity. Red and black housings, assembled consistently, make it hard to reverse a supply connection.
- One standard across the station. Many hams follow the ARES orientation standard. Whatever you choose, use the same orientation everywhere so every cable mates correctly.
Wiring an amplifier properly
Connectors are only one part of the power path. Check the amplifier manual for its current draw and recommended cable. The 45 amp rating is for the connector, not a guarantee that a whole cable run can carry that current. If an amplifier draws more than the connector or the wire gauge range allows, use the heavier connectors and cable its manufacturer specifies.
Keep power leads as short as practical, since long, thin leads waste voltage as heat. Crimp contacts with a tool made for them rather than pliers, and give each finished connector a firm pull test. Fuse the supply leads as the amplifier's manual directs.
A connector that runs warm under load is telling you something. Check it for a poor crimp, a loose contact or wire that is too small for the job.
Check the voltage where it counts
The number that matters is the voltage at the amplifier's own power input while it is working, not the reading on the supply's front panel. Measure at the supply terminals and again at the amplifier's input while transmitting into a dummy load. A large difference between those readings means power is being lost in the cable and connectors, and the fix is heavier wire, a shorter run or a better connection. Many stations also use a DC distribution panel with Powerpole outlets, so the amplifier, radio and accessories each get their own clean connection instead of a stack of ring terminals on one supply post.
And the usual reminder: external linear amplifiers are not legal for use on CB radio. Solid DC wiring matters in every legal installation, fixed or mobile.
Where to get it
Check current price and availability: Anderson Powerpole PP45 Connectors (10 pairs) at DX Engineering.
This is an affiliate link: Hood's Finds may earn a commission from DX Engineering at no extra cost to you. More picks on the gear page.
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