How To: Assemble Anderson Plugs

In this guide we will detail the procedure to assemble a complete Anderson SB® Series connector and contacts to terminate a lead. Anderson connectors are simple, robust and genderless, so putting them together is an easy step-by-step process.

Before we begin, let's answer the most common question we get on Anderson Plugs: which tool should I use?

Although we use the genuine Anderson 1309G4 tool in this guide and the video below, the HellermannTyton HD16L Crimp tool is ideal for crimping Anderson plugs onto 6AWG (13.3mm2) and 8AWG (8.0mm2) wire. It represents the best blend of quality and affordability we have found on the market.

As a quick reference, here is a short summary video of the detailed guide below.

Tools Required

In addition to a pair of Anderson connectors and suitable cable, the first things you will are the correct tools.

Anderson Assembly Tools

Outer Jacket Stripper
Twin core automotive cable such as the 6mm cable we are using here has an outer jacket. The Weicon 51001007 is designed to strip flat cable (centre, top). Alternatively, you can use a box cutter (pictured) to carefully pierce the perimeter of outer jacket and remove it. We will show you how to do both.

Inner Jacket Stripper
The two inner cores have their own insulation which must also be stripped. Here we are using a Weicon 51000005 (centre, bottom).

Flat-Blade Screwdriver
A broad, flat-blade screwdriver is used to seat the Anderson contacts into the housing.

Crimp Tool
Connector-Tech ALS is a manufacturer of complete Anderson Cable Assemblies so we also recommend and sell the genuine Anderson Power Products 1309G4 Crimp Tool. This is the tool pictured in this guide.

The HellermannTyton HD16L Crimp tool is ideal for crimping Anderson plugs onto 6AWG (13.3mm2) and 8AWG (8.0mm2) wire. It represents the best blend of quality and affordability we have found on the market.

You can also solder the contacts, however, this is not as reliable in high-vibration environments such as a ute bed or trailer.

 

Step 1: Strip Outer Jacket

Strip the outer jacket from the twin core cable. We recommended removing at least 70mm of material so the inner cores can enter the housing with a straight path that doesn't introduce unnecessary strain on the cable or contacts.

Anderson Assembly Strip Outer Jacket

If you do not have access to a flat cable stripper such as the Weicon 51001007, you can use a box cutter to make a shallow cut around the perimeter of the outer jacket and carefully pull the material off the cable. Care is needed not to go too deep as it is easy to pierce the inner cores (below, right).

Anderson Assembly Strip Outer Box Cutter

Step 2: Strip Inner Cores

Use a wire stripper to strip 11mm of each of the inner cable cores. This allows the conductor to seat completely within the 50 Amp Anderson contact. Here we have used the Weicon 51000005 which can strip cable from 0.2mm to 6mm in diameter.

Anderson Assembly Strip Inner Core

Step 3: Crimp Contacts

The ideal method of terminating an Anderson lead is to crimp the contact in place with the Anderson Power Products 1309G4 Crimp Tool. We use this tool on all of our cable assemblies because it creates a secure, single-indent crimp which will remain unaffected by vibration which can weaken solder joints.

The first step is to load the contact into the crimp tool. Position the contact with the blade parallel to the jaws, the contact barrel flush with the jaw surface, and the Anderson logo facing up. This will ensure the cores are not twisted when they are inserted into the housing. 'Prime' the crimp tool by squeezing it to the first detente, holding the contact in place. Insert the positive (right hand) core of the cable and crimp. Repeat the process for the second core.

 

Anderson Assembly Crimping Contacts

There are more affordable tools available which do not meet Anderson's specifications but may still provide a reliable crimp. In the absence of a crimp tool, soldering the contact in place is also an option. We recommend sizing the contact barrel as close to the conductor size as possible to minimise the amount of solder required.

 

Step 4: Check Polarity

Once both contacts have been crimped or soldered into place, grab your Anderson SB® Series housing and hold it with the logo facing up. Position the contacts in the housing making sure you have the polarity correct with positive side on the right.

Anderson Assembly Check Polarity

Step 5: Insert Contacts

Place the housing on your work surface and hold the lead so that both contacts are positioned in their respective cavities. Take your flat-blade screwdriver and push firmly on the barrel of the contact so that it snaps into place. You will hear and feel when the tang is locked into place on the contact blade. Check you have seated the contacts correctly - and your crimp or solder job is satisfactory - by holding the housing in one hand and pulling firmly on the cable.

Anderson Assembly Insert Contacts

Step 6: Final Check - Mate Test

The final means of checking your contacts are completely seated is to mate your connector with another Anderson plug. If the contacts are not installed correctly the act of mating the two will eject the loose contacts from their housing. For the SB®50 Series it is only the black and grey housings which will mate together. All of the other colours are uniquely keyed.

Anderson Assembly Mate Test

Assembling a complete Anderson connector is a simple process if you follow the correct procedure and check your work at each opportunity. By terminating the cable yourself, you can customise the length of your lead to suit your exact application.

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